Method of cleaning heater tubes,申请号US19390266336-传众专利搜索

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发明名称	Method of cleaning heater tubes
摘要
申请公布号	US2289351(A)	申请公布日期	1942.07.14
申请号	US19390266336	申请日期	1939.04.06
申请人	THE TEXAS COMPANY	发明人	DIXON ENSLO S.;GARRARD THOMAS E.;BARR HAROLD A.
分类号	C10G9/16;F28G13/00	主分类号	C10G9/16
代理机构		代理人
主权项
地址

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