for enlarging apparatus

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G01J1/126

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Parent Industries

GPHYSICS G01Measuring instruments G01JMEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRA-RED, VISIBLE OR ULTRA-VIOLET LIGHT COLORIMETRY RADIATION PYROMETRY G01J1/00Photometry

Current Industry

G01J1/126for enlarging apparatus

Industries

Patents Grantslast 30 patents

Information Patent Grant
3187652
- Patent number 3,187,652
- Issue date Jun 8, 1965
- G01 - MEASURING TESTING
Information Patent Grant
2795168
- Patent number 2,795,168
- Issue date Jun 11, 1957
- G01 - MEASURING TESTING
Information Patent Grant
2493673
- Patent number 2,493,673
- Issue date Jan 3, 1950
- G01 - MEASURING TESTING