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经营范围
发明名称
Replaceable seat washer in spherical plug valve
摘要
申请公布号
US3056576(A)
申请公布日期
1962.10.02
申请号
US19590858687
申请日期
1959.12.10
申请人
HOMESTEAD VALVE MANUFACTURING COMPANY
发明人
KULISEK ROBERT P.
分类号
F16K5/06;F16K5/20
主分类号
F16K5/06
代理机构
代理人
主权项
地址
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