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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS53134940
Kind Code:
U
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Application Number:
JP4034077U
Publication Date:
October 25, 1978
Filing Date:
March 31, 1977
Export Citation:
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International Classes:
G02C5/10; G02C1/06; (IPC1-7): G02C1/06; G02C5/10
Domestic Patent References:
JPS4944256B11974-11-27
JP50056141B



 
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