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经营范围
发明名称
Ventil
摘要
申请公布号
DE532357(C)
申请公布日期
1931.08.27
申请号
DED532357D
申请日期
1930.06.03
申请人
PAUL V. ALKIER
发明人
分类号
F16K1/00
主分类号
F16K1/00
代理机构
代理人
主权项
地址
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