RETRIEVABLE WELL PACKER AND ANCHOR,申请号CAD653892-传众专利搜索

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发明名称	RETRIEVABLE WELL PACKER AND ANCHOR
摘要
申请公布号	CA653892(A)	申请公布日期	1962.12.11
申请号	CAD653892	申请日期
申请人	BAKER OIL TOOLS	发明人	JULIAN D. KEITHAHN;EARNEST H. CLARK, JR.
分类号		主分类号
代理机构		代理人
主权项
地址

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