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经营范围
发明名称
ELEVATOR COMMUNICATION DEVICE
摘要
申请公布号
JPH0489781(A)
申请公布日期
1992.03.23
申请号
JP19900201552
申请日期
1990.07.31
申请人
HITACHI BUILDING SYST ENG & SERVICE CO LTD
发明人
OKUDA HIROYUKI
分类号
B66B3/00
主分类号
B66B3/00
代理机构
代理人
主权项
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