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发明名称
HOTEL SYSTEM
摘要
申请公布号
JPH04292093(A)
申请公布日期
1992.10.16
申请号
JP19910081579
申请日期
1991.03.20
申请人
NEC CORP;NEC ENG LTD
发明人
SUGAWARA NOBUAKI;INOUE SEIICHI;KAWATE KAZUHIRO;NISHIKAWA JUNICHIRO
分类号
H04M3/42;H04M3/432;H04M3/60;H04Q3/58
主分类号
H04M3/42
代理机构
代理人
主权项
地址
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