Improvements in and relating to caps, head suspension devices or the like having telephone ear pieces or the like mounted therein,申请号GB19360018721-传众专利搜索

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发明名称	Improvements in and relating to caps, head suspension devices or the like having telephone ear pieces or the like mounted therein
摘要
申请公布号	GB460759(A)	申请公布日期	1937.02.03
申请号	GB19360018721	申请日期	1936.07.06
申请人	SIEMENS APPARATE UND MASCHINEN GESELLSCHAFT MIT BESCHRAENKTER HAFTUNG	发明人
分类号	A42B3/30	主分类号	A42B3/30
代理机构		代理人
主权项
地址

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