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发明名称
Attachment for lawn mowers
摘要
申请公布号
US2172786(A)
申请公布日期
1939.09.12
申请号
US19370180222
申请日期
1937.12.16
申请人
WALTER BISHIR
发明人
BISHIR WALTER
分类号
A01D34/62
主分类号
A01D34/62
代理机构
代理人
主权项
地址
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