Perforator,申请号US19540453455-传众专利搜索

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发明名称	Perforator
摘要
申请公布号	US2947253(A)	申请公布日期	1960.08.02
申请号	US19540453455	申请日期	1954.09.01
申请人	BORG-WARNER CORPORATION	发明人	CIRILO MANUEL
分类号	E21B23/14;E21B43/118	主分类号	E21B23/14
代理机构		代理人
主权项
地址

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