Smoke producing display device,申请号US19570667626-传众专利搜索

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发明名称	Smoke producing display device
摘要
申请公布号	US2885807(A)	申请公布日期	1959.05.12
申请号	US19570667626	申请日期	1957.06.24
申请人	GRANT-MURRAY, INC.	发明人	MURRAY JOHN M.
分类号	G09F19/10	主分类号	G09F19/10
代理机构		代理人
主权项
地址

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