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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS5057434
Kind Code:
A
Application Number:
JP10628173A
Publication Date:
May 19, 1975
Filing Date:
September 20, 1973
Export Citation:
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International Classes:
G03B21/11; (IPC1-7): G03B21/11
Domestic Patent References:
JPS399073Y1



 
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