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发明名称
VORRICHTUNG ZUR ABDICHTUNG VON TUEREN.
摘要
申请公布号
DE1671529(U)
申请公布日期
1954.02.11
申请号
DE195300R6659U
申请日期
1953.06.11
申请人
ERWIN ROTH
发明人
ERWIN ROTH
分类号
主分类号
代理机构
代理人
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