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发明名称
摘要
申请公布号
JPS6030405(U)
申请公布日期
1985.03.01
申请号
JP19830121997U
申请日期
1983.08.04
申请人
发明人
分类号
G02B6/00;G02B6/02;G02B6/44;(IPC1-7):G02B6/02
主分类号
G02B6/00
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