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摘要
申请公布号
JP2921898(B2)
申请公布日期
1999.07.19
申请号
JP19900033015
申请日期
1990.02.14
申请人
ASAHI KOGAKU KOGYO KK
发明人
KAWAMOTO SHINSUKE;ITABASHI TOMOAKI
分类号
G02B7/08;G03B5/00;(IPC1-7):G03B5/00
主分类号
G02B7/08
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