A PIPE AND JACKET HEAT EXCHANGER WITH HEATING PIPES AND SCREW-SHAPED WALLS,申请号PL19870267624-传众专利搜索

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发明名称	A PIPE AND JACKET HEAT EXCHANGER WITH HEATING PIPES AND SCREW-SHAPED WALLS
摘要
申请公布号	PL267624(A1)	申请公布日期	1989.03.20
申请号	PL19870267624	申请日期	1987.09.07
申请人		发明人
分类号	F28D;(IPC1-7):F28D/	主分类号	F28D
代理机构		代理人
主权项
地址

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