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发明名称
CALL SYSTEM FOR TELEPHONE SET
摘要
申请公布号
JPH0322652(A)
申请公布日期
1991.01.31
申请号
JP19890157699
申请日期
1989.06.19
申请人
NEC CORP;NEC ENG LTD
发明人
KIKUCHI AKIRA;HIGUCHI SHIGERU
分类号
H04M1/00
主分类号
H04M1/00
代理机构
代理人
主权项
地址
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