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经营范围
发明名称
Appliance for fixing and sealing a Moineau pump (eccentric worm screw pump) in the riser of a liquid delivery probe
摘要
Published without abstract.
申请公布号
DE3908193(A1)
申请公布日期
1990.05.23
申请号
DE19893908193
申请日期
1989.03.14
申请人
KEREKES, FERENC J., 3160 LEHRTE, DE
发明人
KEREKES, FERENC J., 3160 LEHRTE, DE
分类号
E21B23/02;E21B43/12;F04C13/00;F04C15/00
主分类号
E21B23/02
代理机构
代理人
主权项
地址
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