Improvements in or relating to the manufacture of metal articles or masses,申请号GB19370028349-传众专利搜索

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发明名称	Improvements in or relating to the manufacture of metal articles or masses
摘要
申请公布号	GB503874(A)	申请公布日期	1939.04.17
申请号	GB19370028349	申请日期	1937.10.18
申请人	WILLIAM DAVID JONES	发明人
分类号	B22F3/10	主分类号	B22F3/10
代理机构		代理人
主权项
地址

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