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发明名称
Centrifugal rotary lawn mower blade
摘要
申请公布号
US2484511(A)
申请公布日期
1949.10.11
申请号
US19480057236
申请日期
1948.10.29
申请人
FABIO G. HALPHEN, JR.
发明人
INGALLS EDGAR J.
分类号
A01D34/63;A01D34/73
主分类号
A01D34/63
代理机构
代理人
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