Improvements in postal envelopes,申请号GB19400012189-传众专利搜索

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发明名称	Improvements in postal envelopes
摘要
申请公布号	GB541536(A)	申请公布日期	1941.12.01
申请号	GB19400012189	申请日期	1940.07.26
申请人	BENJAMIN CECIL HODGSON	发明人
分类号	B65D27/04;B65D27/06	主分类号	B65D27/04
代理机构		代理人
主权项
地址

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