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发明名称
BETT-ZUDECKE.
摘要
申请公布号
DE1657881(U)
申请公布日期
1953.06.25
申请号
DE195300R6012U
申请日期
1953.02.27
申请人
RHEINISCHE DAUNENDECKEN-FABRIKEN DUELTGEN & BILLERBECK
发明人
分类号
主分类号
代理机构
代理人
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