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Variable magnification and reciprocal exposure copying method

Photocopying – Projection printing and copying cameras – Combined with or convertible to a contact printer
Patent

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Variable magnification apparatus with lens position control

Photocopying – Projection printing and copying cameras – Combined with or convertible to a contact printer
Patent

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Variable magnification copier

Photocopying – Projection printing and copying cameras – Focus or magnification control
Patent

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Variable magnification copier

Photocopying – Projection printing and copying cameras – Focus or magnification control
Patent

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Variable magnification copier

Photocopying – Projection printing and copying cameras – Original moves continuously
Patent

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Variable magnification copy machine

Photocopying – Projection printing and copying cameras – Focus or magnification control
Patent

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Variable magnification copying apparatus

Photocopying – Projection printing and copying cameras – Combined with or convertible to a contact printer
Patent

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Variable magnification copying apparatus

Photocopying – Projection printing and copying cameras – Focus or magnification control
Patent

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Variable magnification copying apparatus

Photocopying – Projection printing and copying cameras – Focus or magnification control
Patent

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Variable magnification copying apparatus

Photocopying – Projection printing and copying cameras – Focus or magnification control
Patent

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Variable magnification copying apparatus

Photocopying – Projection printing and copying cameras – Focus or magnification control
Patent

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Variable magnification copying apparatus

Photocopying – Projection printing and copying cameras – Focus or magnification control
Patent

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Variable magnification copying apparatus

Photocopying – Projection printing and copying cameras – Combined with or convertible to a contact printer
Patent

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Variable magnification copying apparatus

Photocopying – Projection printing and copying cameras – Focus or magnification control
Patent

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Variable magnification copying device

Photocopying – Projection printing and copying cameras – Focus or magnification control
Patent

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Variable magnification copying machine

Photocopying – Projection printing and copying cameras – Focus or magnification control
Patent

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Variable magnification copying machine

Photocopying – Projection printing and copying cameras – Combined with or convertible to a contact printer
Patent

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Variable magnification copying machine

Photocopying – Projection printing and copying cameras – Focus or magnification control
Patent

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Variable magnification copying machine

Photocopying – Projection printing and copying cameras – Focus or magnification control
Patent

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Variable magnification copying optical system

Photocopying – Projection printing and copying cameras – Focus or magnification control
Patent

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