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经营范围
发明名称
Force pump
摘要
申请公布号
US2238692(A)
申请公布日期
1941.04.15
申请号
US19400314157
申请日期
1940.01.16
申请人
ROY GAGE HOWARD LE
发明人
GAGE HOWARD LE ROY
分类号
F04B47/00
主分类号
F04B47/00
代理机构
代理人
主权项
地址
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