COMPLESSO D ALETTATURA E DI TUBO PER SCAMBIATORE DI CALORE CON ALETTATURA AVVOLTA AD ELICA,申请号IT19730027326-传众专利搜索

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发明名称	COMPLESSO D ALETTATURA E DI TUBO PER SCAMBIATORE DI CALORE CON ALETTATURA AVVOLTA AD ELICA
摘要
申请公布号	IT992770(B)	申请公布日期	1975.09.30
申请号	IT19730027326	申请日期	1973.07.31
申请人	WEC	发明人
分类号	F28F1/36;(IPC1-7):F28C/	主分类号	F28F1/36
代理机构		代理人
主权项
地址

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