Preheater for boiler feed water,申请号US19300495270-传众专利搜索

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发明名称	Preheater for boiler feed water
摘要
申请公布号	US1841200(A)	申请公布日期	1932.01.12
申请号	US19300495270	申请日期	1930.11.12
申请人	LE JUGE SERGIUS VON	发明人	JUGE SERGIUS VON LE
分类号	B01D19/00;F22D1/28	主分类号	B01D19/00
代理机构		代理人
主权项
地址

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