PERFECCIONAMIENTOS INTRODUCIDOS EN LA FABRICACIoN DE APARATOS ACuSTICOS PARA AMPLIFICAR EL SONIDO DE LAS BOCINAS DE AVISO,申请号ES19380001907-传众专利搜索

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发明名称	PERFECCIONAMIENTOS INTRODUCIDOS EN LA FABRICACIoN DE APARATOS ACuSTICOS PARA AMPLIFICAR EL SONIDO DE LAS BOCINAS DE AVISO
摘要
申请公布号	ES190738(A1)	申请公布日期	1950.02.16
申请号	ES19380001907	申请日期	1949.11.29
申请人	LLERINS FIGUERAS, PEDRO	发明人
分类号	(IPC1-7):H04	主分类号	(IPC1-7):H04
代理机构		代理人
主权项
地址

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