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发明名称	Sign
摘要
申请公布号	US1765536(A)	申请公布日期	1930.06.24
申请号	US19290340306	申请日期	1929.02.15
申请人	JAROSLAV KRIZEK	发明人	KRIZEK JAROSLAV
分类号	G09F13/14	主分类号	G09F13/14
代理机构		代理人
主权项
地址

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