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发明名称
Lawn mower having opposite handed helical cutting blades
摘要
申请公布号
US2600892(A)
申请公布日期
1952.06.17
申请号
US19490117836
申请日期
1949.09.26
申请人
LIV MADSEN
发明人
MADSEN LIV
分类号
A01D75/08
主分类号
A01D75/08
代理机构
代理人
主权项
地址
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