Punch for fluting gun-barrel chambers,申请号US19460654166-传众专利搜索

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发明名称	Punch for fluting gun-barrel chambers
摘要
申请公布号	US2464323(A)	申请公布日期	1949.03.15
申请号	US19460654166	申请日期	1946.03.13
申请人	GENERAL MOTORS CORPORATION	发明人	LEE JOHN W.
分类号	B21C37/15;B21J5/12	主分类号	B21C37/15
代理机构		代理人
主权项
地址

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