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经营范围
发明名称
Proportioning pump
摘要
申请公布号
US2755739(A)
申请公布日期
1956.07.24
申请号
US19540444260
申请日期
1954.07.19
申请人
LEVER BROTHERS COMPANY
发明人
EUWE GERRIT EVERT
分类号
F04B13/02
主分类号
F04B13/02
代理机构
代理人
主权项
地址
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