KEY TELEPHONE EXCHANGE SYSTEM,申请号JP19790083485-传众专利搜索

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发明名称	KEY TELEPHONE EXCHANGE SYSTEM
摘要
申请公布号	JPS568983(A)	申请公布日期	1981.01.29
申请号	JP19790083485	申请日期	1979.07.03
申请人	TAMURA ELECTRIC WORKS LTD	发明人	AIKAWA CHIYUUTA;SANADA NORIYOSHI;MURAKAMI MITSUYOSHI;KIKUCHI JIYUNZOU;KURODA MASATERU
分类号	H04Q3/58;H04M1/72;H04M3/38;H04M9/00;H04Q5/20	主分类号	H04Q3/58
代理机构		代理人
主权项
地址

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