Improvements in or relating to the design and manufacture of wire wound heat transmitting tubes,申请号GB19420018373-传众专利搜索

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发明名称	Improvements in or relating to the design and manufacture of wire wound heat transmitting tubes
摘要
申请公布号	GB561785(A)	申请公布日期	1944.06.05
申请号	GB19420018373	申请日期	1942.12.25
申请人	WILLIAM JOSEPH STILL	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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