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3804527
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Information
Patent Grant
3804527
References
Source
Patent Number
3,804,527
Date Filed
Not available
Date Issued
Tuesday, April 16, 1974
50 years ago
CPC
G01J5/04 - Casings Mountings
G01J1/02 - Details
G01J1/0271 - Housings; Attachments or accessories for photometers
G01J1/04 - Optical or mechnical part supplementary adjustable parts
G01J1/0411 - using focussing or collimating elements
G01J1/0414 - using plane or convex mirrors, parallel phase plates, or plane beam-splitters
G01J1/0455 - having a throughhole enabling the optical element to fulfil an additional optical function
G01J5/08 - Optical features
G01J5/0806 - using focussing or collimating elements
G01J5/0809 - using plane or convex mirrors, parallel phase plates or particular reflectors
G01J5/085 - having a throughhole enabling the optical element to fulfil an additional optical function
G02B27/32 - Fiducial marks and measuring scales within the optical system
US Classifications
356 - Optics: measuring and testing
385 - Optical waveguides
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