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经营范围
发明名称
OPERATION RECORDER
摘要
申请公布号
JPH02238597(A)
申请公布日期
1990.09.20
申请号
JP19890057947
申请日期
1989.03.13
申请人
HITACHI ELEVATOR ENG & SERVICE CO LTD
发明人
HATAKEYAMA TOSHIHIKO
分类号
G08B29/00
主分类号
G08B29/00
代理机构
代理人
主权项
地址
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