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经营范围
发明名称
Terminating circuit in a battery feed circuit of an electronic exchange system.
摘要
申请公布号
EP0360227(B1)
申请公布日期
1995.06.07
申请号
EP19890117313
申请日期
1989.09.19
申请人
FUJITSU LIMITED
发明人
ITOH, SHIN-ICHI;TAKATO, KENJI;IKETANI, YOZO;YAMAMOTO, YUZO
分类号
H04M19/00;H04Q3/42;(IPC1-7):H04M19/00
主分类号
H04M19/00
代理机构
代理人
主权项
地址
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