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发明名称
摘要
申请公布号
DE8912887(U1)
申请公布日期
1990.02.08
申请号
DE19890012887U
申请日期
1989.11.01
申请人
KOTSCHI, CHRISTA, 2443 GROSSENBRODE, DE
发明人
分类号
G02C11/02
主分类号
G02C11/02
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代理人
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