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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS63191302
Kind Code:
U
Application Number:
JP7985787U
Publication Date:
December 09, 1988
Filing Date:
May 28, 1987
Export Citation:
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International Classes:
G02B6/24; (IPC1-7): G02B6/24
Domestic Patent References:
JPS59131709U1984-09-04
JPS59139011A1984-08-09
JPS5232339U1977-03-07
JPS5840515A1983-03-09
JPS5232335U1977-03-07



 
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