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经营范围
发明名称
Steam joint
摘要
申请公布号
US2481568(A)
申请公布日期
1949.09.13
申请号
US19470753275
申请日期
1947.06.07
申请人
发明人
CARPENTER RUSSELL
分类号
F16L39/00
主分类号
F16L39/00
代理机构
代理人
主权项
地址
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