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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS5199532
Kind Code:
U
Application Number:
JP7022374U
Publication Date:
August 10, 1976
Filing Date:
June 14, 1974
Export Citation:
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International Classes:
G03B17/20; G02B5/04; G03B13/02; (IPC1-7): G03B13/02; G02B5/04; G03B17/20
Domestic Patent References:
JP49146936B