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发明名称
Ventil
摘要
申请公布号
DE545380(C)
申请公布日期
1932.02.29
申请号
DE1929B145431D
申请日期
1929.08.31
申请人
BAILEY METER COMPANY
发明人
分类号
F16K1/44
主分类号
F16K1/44
代理机构
代理人
主权项
地址
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