Improvements in or relating to well hanger support structures,申请号GB19620037448-传众专利搜索

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发明名称	Improvements in or relating to well hanger support structures
摘要
申请公布号	GB974536(A)	申请公布日期	1964.11.04
申请号	GB19620037448	申请日期	1962.10.03
申请人	FMC CORPORATION	发明人
分类号	E21B33/047	主分类号	E21B33/047
代理机构		代理人
主权项
地址

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