Appareil pour le nettoyage des chaudières et autres appareils échangeurs de chaleur tubulaires,申请号FRD790764-传众专利搜索

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发明名称	Appareil pour le nettoyage des chaudières et autres appareils échangeurs de chaleur tubulaires
摘要
申请公布号	FR790764(A)	申请公布日期	1935.11.27
申请号	FRD790764	申请日期	1935.05.31
申请人	BABCOCK & WILCOX	发明人
分类号	F28G1/12	主分类号	F28G1/12
代理机构		代理人
主权项
地址

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