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发明名称
DRAHTAUSLOESER FUER PHOTOGRAPHISCHE VERSCHLUESSE OD. DGL.
摘要
申请公布号
DE1692864(U)
申请公布日期
1955.02.10
申请号
DE195400M7013U
申请日期
1954.11.25
申请人
W. H. VAN DER MEI
发明人
W. H. VAN DER MEI
分类号
主分类号
代理机构
代理人
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