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发明名称
AGRICULTURAL MACHINE OPERATION TIME RECORDER
摘要
申请公布号
PL124034(B2)
申请公布日期
1982.12.31
申请号
PL19800224013
申请日期
1980.05.03
申请人
发明人
分类号
G07C;G07C5/04;(IPC1-7):G07C5/04
主分类号
G07C
代理机构
代理人
主权项
地址
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