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发明名称
Steam trap
摘要
申请公布号
US2303417(A)
申请公布日期
1942.12.01
申请号
US19410416387
申请日期
1941.10.24
申请人
WORTHINGTON JAMES A
发明人
WORTHINGTON JAMES A.
分类号
F16T1/04
主分类号
F16T1/04
代理机构
代理人
主权项
地址
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