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经营范围
发明名称
Service t and method and apparatus for closing same when in service
摘要
申请公布号
US3130483(A)
申请公布日期
1964.04.28
申请号
US19620190681
申请日期
1962.04.27
申请人
MUELLER CO.
发明人
MUELLER FRANK H.;SMITH JOHN J.
分类号
F16L41/04
主分类号
F16L41/04
代理机构
代理人
主权项
地址
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