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发明名称
Ventilkegelbefestigung
摘要
申请公布号
DE522229(C)
申请公布日期
1931.04.02
申请号
DED522229D
申请日期
申请人
BOPP & REUTHER G.M.B.H.
发明人
分类号
F16K1/48
主分类号
F16K1/48
代理机构
代理人
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