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发明名称
SYSTEM FOR COLLECTING OPERATION DATA OF WORK MACHINE
摘要
申请公布号
EP1492012(B1)
申请公布日期
2012.01.11
申请号
EP20030710448
申请日期
2003.03.20
申请人
HITACHI CONSTRUCTION MACHINERY CO., LTD.
发明人
EGUCHI, YOSHINORI;MATSUDA, FUJIO
分类号
G06F9/445;G07C3/00;G07C3/08
主分类号
G06F9/445
代理机构
代理人
主权项
地址
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