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发明名称
FLAIL HEADS AND SPREADERS INCLUDING SUCH HEADS
摘要
申请公布号
GB2046564(A)
申请公布日期
1980.11.19
申请号
GB19800013167
申请日期
1980.04.22
申请人
SPERRY CORP
发明人
分类号
A01C3/06;(IPC1-7):A01C3/06
主分类号
A01C3/06
代理机构
代理人
主权项
地址
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