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经营范围
发明名称
REMOTE BALL CONNECTOR
摘要
申请公布号
GB8505238(D0)
申请公布日期
1985.04.03
申请号
GB19850005238
申请日期
1985.02.28
申请人
GRIPPER INC
发明人
分类号
E21B43/013;F16L37/00
主分类号
E21B43/013
代理机构
代理人
主权项
地址
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