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经营范围
发明名称
Pilot operated valve
摘要
申请公布号
US2771265(A)
申请公布日期
1956.11.20
申请号
US19520271216
申请日期
1952.02.12
申请人
STANDARD-THOMSON CORPORATION
发明人
WOODS JOHN E.
分类号
F16K31/365
主分类号
F16K31/365
代理机构
代理人
主权项
地址
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