Seal,申请号US19570642689-传众专利搜索

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发明名称	Seal
摘要
申请公布号	US2914354(A)	申请公布日期	1959.11.24
申请号	US19570642689	申请日期	1957.02.27
申请人	E. J. BROOKS COMPANY	发明人	MOBERG SIGURD M.
分类号	G09F3/03	主分类号	G09F3/03
代理机构		代理人
主权项
地址

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