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发明名称
摘要
申请公布号
DE9011013(U1)
申请公布日期
1991.11.21
申请号
DE19900011013U
申请日期
1990.07.25
申请人
GROTE & HARTMANN GMBH & CO KG, 5600 WUPPERTAL, DE
发明人
分类号
G02B6/38
主分类号
G02B6/38
代理机构
代理人
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