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发明名称
Screw plug slide valve
摘要
申请公布号
US1870557(A)
申请公布日期
1932.08.09
申请号
US19290414711
申请日期
1929.12.13
申请人
PRICE CURD JOHN
发明人
CURD JOHN PRICE
分类号
F16K3/06
主分类号
F16K3/06
代理机构
代理人
主权项
地址
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