Improvements in the manufacture of balls for games,申请号GB19380005992-传众专利搜索

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发明名称	Improvements in the manufacture of balls for games
摘要
申请公布号	GB503047(A)	申请公布日期	1939.03.30
申请号	GB19380005992	申请日期	1938.02.25
申请人	DUNLOP RUBBER COMPANY LIMITED;DOUGLAS FRANK TWISS	发明人
分类号	B29C71/00;B29D22/04	主分类号	B29C71/00
代理机构		代理人
主权项
地址

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