HEAVY DUTY FLEXIBLE DRILL PIPES,申请号CAD479065-传众专利搜索

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发明名称	HEAVY DUTY FLEXIBLE DRILL PIPES
摘要
申请公布号	CA479065(A)	申请公布日期	1951.12.04
申请号	CAD479065	申请日期
申请人	JOHN A. ZUBLIN	发明人	JOHN A. ZUBLIN
分类号		主分类号
代理机构		代理人
主权项
地址

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