Appareil à nettoyer les tubes de chaudières,申请号FRD819402-传众专利搜索

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发明名称	Appareil à nettoyer les tubes de chaudières
摘要
申请公布号	FR819402(A)	申请公布日期	1937.10.19
申请号	FRD819402	申请日期	1937.03.19
申请人	THE DIAMOND BLOWER COMPANY LIMITED	发明人
分类号	F28G3/16	主分类号	F28G3/16
代理机构		代理人
主权项
地址

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