Improvements in or relating to safety devices for apparatus for opening doors,申请号GB19320023801-传众专利搜索

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发明名称	Improvements in or relating to safety devices for apparatus for opening doors
摘要
申请公布号	GB391012(A)	申请公布日期	1933.04.20
申请号	GB19320023801	申请日期	1932.08.25
申请人	RUGGERO BERTELE	发明人
分类号	E05B47/06	主分类号	E05B47/06
代理机构		代理人
主权项
地址

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