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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS5038534
Kind Code:
A
More Like This:
Application Number:
JP8804973A
Publication Date:
April 10, 1975
Filing Date:
August 07, 1973
Export Citation:
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International Classes:
G03B15/00; G03B17/00; G03B17/38; G03B31/00; (IPC1-7): G03B31/00; G03B17/00; G03B17/38
Domestic Patent References:
JPS4723936A
JPS4724426U1972-11-18



 
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