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发明名称
Water connection
摘要
申请公布号
US1894801(A)
申请公布日期
1933.01.17
申请号
US19310566024
申请日期
1931.09.30
申请人
INGERSOLL-RAND COMPANY
发明人
TERRY EDWARD F.
分类号
E21B21/01
主分类号
E21B21/01
代理机构
代理人
主权项
地址
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