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发明名称
Windrowing attachment for rotary lawn mowers
摘要
申请公布号
US3020693(A)
申请公布日期
1962.02.13
申请号
US19590854435
申请日期
1959.11.20
申请人
SEARS RALPH C
发明人
SEARS RALPH C.
分类号
A01D34/63;A01D34/71
主分类号
A01D34/63
代理机构
代理人
主权项
地址
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