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发明名称
Self-sealing test plug
摘要
申请公布号
US2581537(A)
申请公布日期
1952.01.08
申请号
US19490105527
申请日期
1949.07.19
申请人
RHEEM MANUFACTURING COMPANY
发明人
MAISCH OLIVER
分类号
F16B7/12;G01M3/32
主分类号
F16B7/12
代理机构
代理人
主权项
地址
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