An improved method and apparatus for moulding buttons or like perforated articles from plastic compositions such as india-rubber,申请号GB19380019603-传众专利搜索

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发明名称	An improved method and apparatus for moulding buttons or like perforated articles from plastic compositions such as india-rubber
摘要
申请公布号	GB515813(A)	申请公布日期	1939.12.14
申请号	GB19380019603	申请日期	1938.07.01
申请人	JAMES WILLIAM MATTHEWS	发明人
分类号	B29C45/56	主分类号	B29C45/56
代理机构		代理人
主权项
地址

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