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经营范围
发明名称
Lawn mower gear and locking device
摘要
申请公布号
US2438980(A)
申请公布日期
1948.04.06
申请号
US19460687383
申请日期
1946.07.31
申请人
ALBERT E. THOMPSON
发明人
分类号
A01D34/47
主分类号
A01D34/47
代理机构
代理人
主权项
地址
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