TUBO PARA TRANSFERENCIA DE AQUECIMENTO E SEU PROCESSO DE FABRICACAO,申请号BR1989PI04632-传众专利搜索

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发明名称	TUBO PARA TRANSFERENCIA DE AQUECIMENTO E SEU PROCESSO DE FABRICACAO
摘要
申请公布号	BR8904632(A)	申请公布日期	1990.04.24
申请号	BR1989PI04632	申请日期	1989.09.14
申请人	CARRIER CORPORATION	发明人	STEVEN R. ZOHLER
分类号	B21C37/15;B21C37/20;B21D17/00;B21D53/06;B21D53/08;F28F1/40;(IPC1-7):F28F1/40	主分类号	B21C37/15
代理机构		代理人
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