Improved means for adjusting and indicating the correct height of tennis nets,申请号GB19380020048-传众专利搜索

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发明名称	Improved means for adjusting and indicating the correct height of tennis nets
摘要
申请公布号	GB516402(A)	申请公布日期	1940.01.01
申请号	GB19380020048	申请日期	1938.07.06
申请人	ALAN JOHN MELVILLE HIPWELL	发明人
分类号	A63B61/04	主分类号	A63B61/04
代理机构		代理人
主权项
地址

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