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发明名称
Semi-automatic string trimmer head
摘要
申请公布号
US4926557(A)
申请公布日期
1990.05.22
申请号
US19880222652
申请日期
1988.07.21
申请人
ALLEGRETTI & COMPANY
发明人
HAUPT, EUGENE J.
分类号
A01D34/416
主分类号
A01D34/416
代理机构
代理人
主权项
地址
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