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发明名称
TELEPHONE SET
摘要
申请公布号
JPH02284556(A)
申请公布日期
1990.11.21
申请号
JP19890105153
申请日期
1989.04.25
申请人
NEC CORP;NEC DATA TERMINAL LTD
发明人
SAITO OSAMU;HAYANO TSUYOSHI
分类号
H04M1/66;H04M1/57;H04M1/663
主分类号
H04M1/66
代理机构
代理人
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地址
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