Improvements in self-closing valves for footballs, beach balls and the like,申请号GB19340005144-传众专利搜索

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法人/股东/高管

发明名称	Improvements in self-closing valves for footballs, beach balls and the like
摘要
申请公布号	GB424451(A)	申请公布日期	1935.02.21
申请号	GB19340005144	申请日期	1934.02.16
申请人	JOSEPH ROTHWELL	发明人
分类号	F16K15/20	主分类号	F16K15/20
代理机构		代理人
主权项
地址

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