Oval cutting machine,申请号US19400365084-传众专利搜索

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发明名称	Oval cutting machine
摘要
申请公布号	US2315479(A)	申请公布日期	1943.03.30
申请号	US19400365084	申请日期	1940.11.09
申请人	BELL AIRCRAFT CORPORATION	发明人	SCHWARTZ ARTHUR A.
分类号	B23Q1/48;B23Q1/54;B23Q27/00	主分类号	B23Q1/48
代理机构		代理人
主权项
地址

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