Improvements in or relating to gilled tubes for heat exchangers,申请号GB19650052489-传众专利搜索

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发明名称	Improvements in or relating to gilled tubes for heat exchangers
摘要
申请公布号	GB1069179(A)	申请公布日期	1967.05.17
申请号	GB19650052489	申请日期	1965.12.10
申请人	BIRAGHI	发明人
分类号	F28F1/20	主分类号	F28F1/20
代理机构		代理人
主权项
地址

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