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发明名称
AIR-CONDITIONING SYSTEM OF DIGITAL EXCHANGE SYSTEM
摘要
申请公布号
JPS6135050(A)
申请公布日期
1986.02.19
申请号
JP19840155307
申请日期
1984.07.27
申请人
HITACHI LTD
发明人
KONDO YOSHIHARU
分类号
H04M3/22;H04Q1/28
主分类号
H04M3/22
代理机构
代理人
主权项
地址
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