An improved method of manufacturing gramophone records,申请号GB19280038472-传众专利搜索

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发明名称	An improved method of manufacturing gramophone records
摘要
申请公布号	GB327184(A)	申请公布日期	1930.03.31
申请号	GB19280038472	申请日期	1928.12.31
申请人	REGINALD HUGH CHESTER	发明人
分类号	B29D17/00	主分类号	B29D17/00
代理机构		代理人
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地址

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