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发明名称
Valve
摘要
申请公布号
US1970726(A)
申请公布日期
1934.08.21
申请号
US19310516690
申请日期
1931.02.18
申请人
BAILEY METER COMPANY
发明人
BARRETT JOSEPH M.
分类号
F16K1/34
主分类号
F16K1/34
代理机构
代理人
主权项
地址
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