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发明名称	Punch
摘要
申请公布号	US2031024(A)	申请公布日期	1936.02.18
申请号	US19350001789	申请日期	1935.01.14
申请人	AHLQUIST GUSTAF R	发明人	AHLQUIST GUSTAF R.
分类号	B21D28/34	主分类号	B21D28/34
代理机构		代理人
主权项
地址

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