Casing protector applicator tool,申请号US19380231379-传众专利搜索

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发明名称	Casing protector applicator tool
摘要
申请公布号	US2228229(A)	申请公布日期	1941.01.07
申请号	US19380231379	申请日期	1938.09.23
申请人	GUSTIN-BACON MANUFACTURING COMPANY	发明人	HALL JESSE E.
分类号	E21B17/12	主分类号	E21B17/12
代理机构		代理人
主权项
地址

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