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经营范围
发明名称
PUMPING APPARATUS FOR DEEP WELLS
摘要
申请公布号
US3483828(A)
申请公布日期
1969.12.16
申请号
USD3483828
申请日期
1968.07.29
申请人
EMIL A. BENDER
发明人
EMIL A. BENDER
分类号
F04B47/02;F04B47/14;(IPC1-7):F04B47/14;G05G1/00
主分类号
F04B47/02
代理机构
代理人
主权项
地址
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