BORE HOLE GRAVEL PACKING,申请号CAD552443-传众专利搜索

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发明名称	BORE HOLE GRAVEL PACKING
摘要
申请公布号	CA552443(A)	申请公布日期	1958.01.28
申请号	CAD552443	申请日期
申请人	TEXACO DEVELOPMENT CORPORATION	发明人	WILLIAM A. CLARK
分类号		主分类号
代理机构		代理人
主权项
地址

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