Tubes à ailettes, et leur procédé de fabrication,申请号FR19610883046-传众专利搜索

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发明名称	Tubes à ailettes, et leur procédé de fabrication
摘要
申请公布号	FR1308929(A)	申请公布日期	1962.11.09
申请号	FR19610883046	申请日期	1961.12.26
申请人	UNION CARBIDE CORPORATION	发明人
分类号	B21C23/10;C04B35/532	主分类号	B21C23/10
代理机构		代理人
主权项
地址

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