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经营范围
发明名称
Régulateur de débit d'eau pour perforatrices
摘要
申请公布号
FR1529941(A)
申请公布日期
1968.06.21
申请号
FR19670106773
申请日期
1967.05.18
申请人
ATLAS COPCO AKTIEBOLAG
发明人
分类号
E21B21/01
主分类号
E21B21/01
代理机构
代理人
主权项
地址
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