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发明名称
SYSTEM FOR CARRYING OUT MAINTENANCE
摘要
申请公布号
JPS6484955(A)
申请公布日期
1989.03.30
申请号
JP19870242172
申请日期
1987.09.25
申请人
NEC CORP
发明人
OKANDA TOMOSHI
分类号
H04M3/00
主分类号
H04M3/00
代理机构
代理人
主权项
地址
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