Screen patch and method of producing same,申请号US19450620618-传众专利搜索

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发明名称	Screen patch and method of producing same
摘要
申请公布号	US2487830(A)	申请公布日期	1949.11.15
申请号	US19450620618	申请日期	1945.10.05
申请人	CHANDLER ROBBINS	发明人	ROBBINS CHANDLER
分类号	B21F27/00;E06B9/52	主分类号	B21F27/00
代理机构		代理人
主权项
地址

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