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发明名称
摘要
申请公布号
JPS5836702(U)
申请公布日期
1983.03.10
申请号
JP19810129627U
申请日期
1981.08.31
申请人
发明人
分类号
G02B6/02;G02B6/44;(IPC1-7):G02B5/14;F24J3/02
主分类号
G02B6/02
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