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经营范围
发明名称
NUMBER CONVERTING SYSTEM
摘要
申请公布号
JPH05145962(A)
申请公布日期
1993.06.11
申请号
JP19910334217
申请日期
1991.11.22
申请人
NEC CORP
发明人
MINAMIZAWA HIDEO
分类号
H04M3/42;H04Q3/545;H04Q3/76
主分类号
H04M3/42
代理机构
代理人
主权项
地址
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