NUEVO SISTEMA PARA LA SOLDADURA ESTANCA DE SUPERFICIES TRANSVERSALES A TUBOS DE POLIETILENO,申请号ES19690002231-传众专利搜索

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发明名称	NUEVO SISTEMA PARA LA SOLDADURA ESTANCA DE SUPERFICIES TRANSVERSALES A TUBOS DE POLIETILENO
摘要
申请公布号	ES223169(A1)	申请公布日期	1956.01.01
申请号	ES19690002231	申请日期	1955.07.26
申请人	LOPEZ LLORENS, ENRIQUE	发明人
分类号	(IPC1-7):B29	主分类号	(IPC1-7):B29
代理机构		代理人
主权项
地址

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