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经营范围
发明名称
Gas cock or the like
摘要
申请公布号
US2164419(A)
申请公布日期
1939.07.04
申请号
US19360095598
申请日期
1936.08.12
申请人
MUELLER ERVIN H
发明人
MUELLER ERVIN H.
分类号
F16K5/10
主分类号
F16K5/10
代理机构
代理人
主权项
地址
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