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发明名称
Pump
摘要
申请公布号
US1972304(A)
申请公布日期
1934.09.04
申请号
US19300461313
申请日期
1930.06.16
申请人
LA BOUR HARRY E
发明人
BOUR HARRY E. LA
分类号
F04D9/02
主分类号
F04D9/02
代理机构
代理人
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