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经营范围
发明名称
DOUBLE ACTING PUMP
摘要
申请公布号
US3583837(A)
申请公布日期
1971.06.08
申请号
USD3583837
申请日期
1969.12.18
申请人
ROBERT F. ROLSTEN
发明人
ROBERT F. ROLSTEN
分类号
B05B9/04;F04B9/14;F04B53/12;(IPC1-7):F04B21/04;F16K15/04;F16K21/04
主分类号
B05B9/04
代理机构
代理人
主权项
地址
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