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发明名称
CHARGE FOR TELEPHONE CALL INDICATING SYSTEM
摘要
申请公布号
JPH02100560(A)
申请公布日期
1990.04.12
申请号
JP19880253162
申请日期
1988.10.07
申请人
NEC ENG LTD
发明人
YAMAUCHI YOSHIKAZU
分类号
H04M15/34
主分类号
H04M15/34
代理机构
代理人
主权项
地址
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