Notrufpendel,申请号DE1957T014105-传众专利搜索

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发明名称	Notrufpendel
摘要
申请公布号	DE1051170(B)	申请公布日期	1959.02.19
申请号	DE1957T014105	申请日期	1957.09.07
申请人	TELEFONBAU UND NORMALZEIT G.M.B.H.	发明人	BOSS LUDWIG
分类号	H01H35/02	主分类号	H01H35/02
代理机构		代理人
主权项
地址

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