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发明名称
Ventil
摘要
申请公布号
DE816044(C)
申请公布日期
1951.10.08
申请号
DE1949P054196
申请日期
1949.09.08
申请人
SCHUETT & CIE
发明人
VASTERS WILHELM
分类号
F16K7/16;F16K17/12
主分类号
F16K7/16
代理机构
代理人
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