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发明名称
WELLENABDICHTUNG BEI DROSSEL- UND RUECKSCHLAGKLAPPEN.
摘要
申请公布号
DE1791460(U)
申请公布日期
1959.07.02
申请号
DE195900Z5790U
申请日期
1959.02.05
申请人
ZIMMERMANN & JANSEN G.M.B.H.
发明人
分类号
主分类号
代理机构
代理人
主权项
地址
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