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发明名称
摘要
申请公布号
DE2030485(A1)
申请公布日期
1972.01.05
申请号
DE19702030485
申请日期
1970.06.20
申请人
LEITZ ERNST GMBH
发明人
分类号
G02B21/08;(IPC1-7):G02B21/10
主分类号
G02B21/08
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代理人
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