Improvements in and relating to plastic bags and valves therefor,申请号GB19530021455-传众专利搜索

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发明名称	Improvements in and relating to plastic bags and valves therefor
摘要
申请公布号	GB777107(A)	申请公布日期	1957.06.19
申请号	GB19530021455	申请日期	1953.08.04
申请人	HAROLD ALBERT QUELCH	发明人	AUSTIN-EAMES WILLIAM GEORGE
分类号	B65D30/24	主分类号	B65D30/24
代理机构		代理人
主权项
地址

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