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发明名称
摘要
申请公布号
FR2384588(B3)
申请公布日期
1980.10.31
申请号
FR19780008720
申请日期
1978.03.24
申请人
WERNICKE ET CO GMBH
发明人
分类号
G02C13/00;B24B13/005;(IPC1-7):B24B13/00;G02C7/02
主分类号
G02C13/00
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