Machine à fabriquer les tubes à ailettes,申请号FRD1151503-传众专利搜索

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发明名称	Machine à fabriquer les tubes à ailettes
摘要
申请公布号	FR1151503(A)	申请公布日期	1958.01.31
申请号	FRD1151503	申请日期	1956.03.21
申请人	CARRIER CORPORATION	发明人
分类号	B21C37/26	主分类号	B21C37/26
代理机构		代理人
主权项
地址

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