METHOD OF FORMING INDENTATIONS IN FINS EXTENDING FROM A HEAT TRANSFER SURFACE,申请号USD3487670-传众专利搜索

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发明名称	METHOD OF FORMING INDENTATIONS IN FINS EXTENDING FROM A HEAT TRANSFER SURFACE
摘要
申请公布号	US3487670(A)	申请公布日期	1970.01.06
申请号	USD3487670	申请日期	1967.04.17
申请人	TRANE CO.:THE	发明人	CHESTER D. WARE
分类号	B21C37/20;F28F1/12;(IPC1-7):B21D17/04	主分类号	B21C37/20
代理机构		代理人
主权项
地址

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