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发明名称
Radial head weight-controlled hose extension device
摘要
申请公布号
US2601073(A)
申请公布日期
1952.06.17
申请号
US19500139680
申请日期
1950.01.20
申请人
GULF OIL CORPORATION
发明人
WAGNER BERNARD
分类号
B67D7/40
主分类号
B67D7/40
代理机构
代理人
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