Improvements in or relating to doors, casement windows and like closures, rendered impervious to noxious and other gases,申请号GB19380011344-传众专利搜索

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发明名称	Improvements in or relating to doors, casement windows and like closures, rendered impervious to noxious and other gases
摘要
申请公布号	GB513553(A)	申请公布日期	1939.10.16
申请号	GB19380011344	申请日期	1938.04.13
申请人	HARRY CHARLES STEBBENS;THOMAS PATRICK COPELAND	发明人
分类号	E06B7/23	主分类号	E06B7/23
代理机构		代理人
主权项
地址

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