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发明名称
SAFETY DEVICE FOR COMMUNICATION
摘要
申请公布号
JPS5523718(A)
申请公布日期
1980.02.20
申请号
JP19780093186
申请日期
1978.08.01
申请人
NIPPON TELEGRAPH & TELEPHONE;FURUKAWA ELECTRIC CO LTD
发明人
TAGUCHI MORIHIKO;INOUE TOORU;KAIZU RIYOUSUKE;MURATA KINHIKO;SEKIGUCHI HIROHISA
分类号
H02H9/06;H02H9/04;H04B3/00;H04B3/28;H04B3/36
主分类号
H02H9/06
代理机构
代理人
主权项
地址
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