Lens cutting machine,申请号US19400334212-传众专利搜索

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发明名称	Lens cutting machine
摘要
申请公布号	US2231994(A)	申请公布日期	1941.02.18
申请号	US19400334212	申请日期	1940.05.09
申请人	FLATTEM ARTHUR M	发明人	FLATTEM ARTHUR M.
分类号	C03B33/04	主分类号	C03B33/04
代理机构		代理人
主权项
地址

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