DISPOSITIVO DUPLO ANTI-POLUENTE DO AR E ANTI-RUIDOS MOLESTOS,申请号BR19760002440-传众专利搜索

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发明名称	DISPOSITIVO DUPLO ANTI-POLUENTE DO AR E ANTI-RUIDOS MOLESTOS
摘要
申请公布号	BR7602440(A)	申请公布日期	1977.11.01
申请号	BR19760002440	申请日期	1976.04.20
申请人	RAHAL A	发明人	RAHAL A
分类号	(IPC1-7):F01N3/14	主分类号	(IPC1-7):F01N3/14
代理机构		代理人
主权项
地址

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