4. Registers
  5. Platform operated
  6. Platform actuated traffic counters

David D. Larson

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Copy quality diagnostic procedure

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

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Error logging for automatic apparatus

Registers – Platform operated – Platform actuated traffic counters
Patent

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Modulated light printing

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

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Profile ID: LFUS-PAI-P-375755

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