Elemento revelador de mensagens ocultas,申请号BR1998MU02197U-传众专利搜索

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发明名称	Elemento revelador de mensagens ocultas
摘要	<B>"ELEMENTO REVELADOR DE MENSAGENS OCULTAS"<D>, basicamente definido por uma caneta contendo um fluido que reage com a tinta que é utilizada para escrever a mensagem oculta.
申请公布号	BR7802197(U)	申请公布日期	2000.06.06
申请号	BR1998MU02197U	申请日期	1998.11.04
申请人	JORGE DANIEL LEONFORTE	发明人	JORGE DANIEL LEONFORTE
分类号	B43K5/00;(IPC1-7):B43K5/00	主分类号	B43K5/00
代理机构		代理人
主权项
地址

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