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发明名称
摘要
申请公布号	DE2443880(C3)	申请公布日期	1985.10.10
申请号	DE19742443880	申请日期	1974.09.13
申请人	SIEMENS AG, 1000 BERLIN UND 8000 MUENCHEN, DE	发明人	KELLERMANN, HEINRICH;VAILLANT, HEINRICH, 8000 MUENCHEN, DE
分类号	H04M1/02;(IPC1-7):H04M1/11	主分类号	H04M1/02
代理机构		代理人
主权项
地址

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