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发明名称
INFORMATION COLLECTION SYSTEM USING TELEPHONE LINE
摘要
申请公布号
JPH02143770(A)
申请公布日期
1990.06.01
申请号
JP19880298521
申请日期
1988.11.25
申请人
NEC CORP
发明人
YAMASHITA WATARU
分类号
H04M3/42;G06F17/40;H04M11/00
主分类号
H04M3/42
代理机构
代理人
主权项
地址
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