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发明名称
Rotary snow plow
摘要
申请公布号
US2152840(A)
申请公布日期
1939.04.04
申请号
US19380232764
申请日期
1938.10.01
申请人
DRAKE RICHARD A
发明人
DRAKE RICHARD A.
分类号
E01H5/07
主分类号
E01H5/07
代理机构
代理人
主权项
地址
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