Article incorporating concealed information therewithin,申请号US19570664823-传众专利搜索

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发明名称	Article incorporating concealed information therewithin
摘要
申请公布号	US3001886(A)	申请公布日期	1961.09.26
申请号	US19570664823	申请日期	1957.06.10
申请人	MINNESOTA MINING AND MANUFACTURING COMPANY	发明人	SHREWSBURY RAYMOND W.;ANDERSON DOUGLAS N.;SOHL WILLIAM E.
分类号	A63F3/06	主分类号	A63F3/06
代理机构		代理人
主权项
地址

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