EXTRUDED PLASTICS HEAT EXCHANGER TUBE WITH HELICAL FIN,申请号NZ19840207540-传众专利搜索

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发明名称	EXTRUDED PLASTICS HEAT EXCHANGER TUBE WITH HELICAL FIN
摘要
申请公布号	NZ207540(A)	申请公布日期	1987.11.27
申请号	NZ19840207540	申请日期	1984.03.19
申请人	GRAY, JAMES	发明人	GRAY, JAMES
分类号	B29C47/00;F28D1/04;F28F1/36;(IPC1-7):F28F1/36	主分类号	B29C47/00
代理机构		代理人
主权项
地址

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