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发明名称
Hose well
摘要
申请公布号
US2257368(A)
申请公布日期
1941.09.30
申请号
US19400323571
申请日期
1940.03.12
申请人
COCHIN JOHN D
发明人
COCHIN JOHN D.
分类号
B67D7/40
主分类号
B67D7/40
代理机构
代理人
主权项
地址
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