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发明名称
Качалка с длинным ходом для насосной эксплуатации скважин
摘要
申请公布号
SU37660(A1)
申请公布日期
1934.07.31
申请号
SU19330134683
申请日期
1933.10.11
申请人
RIDEL K.K.
发明人
RIDEL K.K.
分类号
F04B47/00
主分类号
F04B47/00
代理机构
代理人
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地址
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