Improvements in or relating to doors and the like,申请号GB19480012703-传众专利搜索

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发明名称	Improvements in or relating to doors and the like
摘要
申请公布号	GB642053(A)	申请公布日期	1950.08.23
申请号	GB19480012703	申请日期	1948.05.08
申请人	JOHN ARTHUR CUNNINGTON	发明人
分类号	E06B3/50	主分类号	E06B3/50
代理机构		代理人
主权项
地址

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