4. Radiant energy
  5. Photocells; circuits and apparatus
  6. Optical or pre-photocell system

Thomas Ischdonat

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Apparatus for measuring the permeability of a circulating...

Measuring and testing – With fluid pressure – Porosity or permeability
Reexamination Certificate

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Basis weight of the liner in a fibrous web

Paper making and fiber liberation – Processes and products – With measuring – inspecting and/or testing
Reexamination Certificate

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Basis weight of the liner in a fibrous web

Paper making and fiber liberation – Processes and products – With measuring – inspecting and/or testing
Reexamination Certificate

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Cylindrical device for optical quality control of a strip-like m

Radiant energy – Photocells; circuits and apparatus – Optical or pre-photocell system
Patent

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Measuring apparatus in a paper machine

Geometrical instruments – Gauge – Continuous gauging
Reexamination Certificate

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Profile ID: LFUS-PAI-P-1288859

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