Improvements in or relating to fire escape apparatus,申请号GB19540023858-传众专利搜索

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发明名称	Improvements in or relating to fire escape apparatus
摘要
申请公布号	GB750587(A)	申请公布日期	1956.06.20
申请号	GB19540023858	申请日期	1954.08.17
申请人	GUSTAV ADOLF SVENSSON	发明人
分类号	A62B1/12	主分类号	A62B1/12
代理机构		代理人
主权项
地址

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