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发明名称
Valve construction
摘要
申请公布号
US2950897(A)
申请公布日期
1960.08.30
申请号
US19560579184
申请日期
1956.04.19
申请人
WALWORTH COMPANY
发明人
BRYANT AUSTIN U.
分类号
F16K3/02
主分类号
F16K3/02
代理机构
代理人
主权项
地址
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