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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS6373711
Kind Code:
U
Application Number:
JP16654886U
Publication Date:
May 17, 1988
Filing Date:
October 31, 1986
Export Citation:
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International Classes:
G02B6/44; H01B7/14; H01B7/17; H01B7/28; H01B11/22; (IPC1-7): G02B6/44; H01B7/14; H01B7/28; H01B11/22
Domestic Patent References:
JPS59148009A1984-08-24
JPS5773701A1982-05-08
JPS5625646A1981-03-12
JP61114717B



 
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