DISPOSITIVO DE PROTECCION CONTRA RUIDOS MEJORADO.,申请号ES19760002317U-传众专利搜索

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发明名称	DISPOSITIVO DE PROTECCION CONTRA RUIDOS MEJORADO.
摘要
申请公布号	ES231776(Y)	申请公布日期	1978.05.01
申请号	ES19760002317U	申请日期	1977.11.03
申请人	DIAZ-SARABIA AZCARATE ANTONIO	发明人
分类号	A61F;(IPC1-7):A61F/	主分类号	A61F
代理机构		代理人
主权项
地址

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