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发明名称
摘要
申请公布号
DE2029718(A1)
申请公布日期
1971.12.23
申请号
DE19702029718
申请日期
1970.06.16
申请人
BARDOCZ A
发明人
分类号
G02B7/182;G02B27/64;(IPC1-7):G02B17/06
主分类号
G02B7/182
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