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经营范围
发明名称
Rueckschlagklappe
摘要
申请公布号
DE499093(C)
申请公布日期
1930.06.06
申请号
DENDATB134851D
申请日期
申请人
L.W. BESTENBOSTEL & SOHN G.M.B.H.;DR.-ING. WILH. SCHULZ
发明人
分类号
F16K15/03
主分类号
F16K15/03
代理机构
代理人
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地址
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