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发明名称
摘要
申请公布号
FR2386247(B1)
申请公布日期
1983.07.18
申请号
FR19780009866
申请日期
1978.04.04
申请人
SPERRY RAND LTD
发明人
分类号
A01D43/10;A01D67/00;(IPC1-7):01D67/06;01D35/26
主分类号
A01D43/10
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