FR920995A - Improvements to the means used for printing photographs - Google Patents

Improvements to the means used for printing photographs

Info

Publication number: FR920995A
Authority: FR; France
Prior art keywords: means used; printing photographs; photographs; printing
Prior art date: 1946-01-31
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Expired

Application number

Other languages

Inventor

Roland Stasse

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

1946-01-31

Filing date

1946-01-31

Publication date

1947-04-23

1946-01-31 Application filed filed Critical

1947-04-23 Application granted granted Critical

1947-04-23 Publication of FR920995A publication Critical patent/FR920995A/en

Status Expired legal-status Critical Current

Classifications

- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J1/00—Photometry, e.g. photographic exposure meter
- G01J1/42—Photometry, e.g. photographic exposure meter using electric radiation detectors

Landscapes

Physics & Mathematics (AREA)
General Physics & Mathematics (AREA)
Spectroscopy & Molecular Physics (AREA)

FR920995D 1946-01-31 1946-01-31 Improvements to the means used for printing photographs Expired FR920995A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
FR920995T		1946-01-31

Publications (1)

Publication Number	Publication Date
FR920995A true FR920995A (en)	1947-04-23

Family

ID=9432806

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR920995D Expired FR920995A (en)	1946-01-31	1946-01-31	Improvements to the means used for printing photographs

Country Status (1)

Country	Link
FR (1)	FR920995A (en)

1946
- 1946-01-31 FR FR920995D patent/FR920995A/en not_active Expired

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