A LOCKING CONNECTION,申请号GB19900022423-传众专利搜索

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发明名称	A LOCKING CONNECTION
摘要
申请公布号	GB9022423(D0)	申请公布日期	1990.11.28
申请号	GB19900022423	申请日期	1990.10.16
申请人	RED BARON (OIL TOOLS RENTAL), THE LIMITED	发明人
分类号	E21B17/043;F16L15/08	主分类号	E21B17/043
代理机构		代理人
主权项
地址

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