Means for conveying visual indications in transparent materials,申请号US19510244944-传众专利搜索

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发明名称	Means for conveying visual indications in transparent materials
摘要
申请公布号	US2722762(A)	申请公布日期	1955.11.08
申请号	US19510244944	申请日期	1951.09.04
申请人	KRAJIAN GEORGE S	发明人	KRAJIAN GEORGE S.
分类号	A63H33/22;F21V8/00;G09F13/18	主分类号	A63H33/22
代理机构		代理人
主权项
地址

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