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发明名称
Langhub-Tiefpumpenantrieb fuer Erdoelsonden
摘要
申请公布号
DE808180(C)
申请公布日期
1951.07.12
申请号
DE1950E000564
申请日期
1950.01.28
申请人
EISENWERK WUELFEL
发明人
BENTE HANS
分类号
F04B47/02
主分类号
F04B47/02
代理机构
代理人
主权项
地址
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