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经营范围
发明名称
Hydraulically operated valve seat
摘要
申请公布号
US2600898(A)
申请公布日期
1952.06.17
申请号
US19480029879
申请日期
1948.05.28
申请人
MAXWELL VASCO T
发明人
MAXWELL VASCO T.
分类号
F16K5/18
主分类号
F16K5/18
代理机构
代理人
主权项
地址
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