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发明名称
Combination plow
摘要
申请公布号
US1842892(A)
申请公布日期
1932.01.26
申请号
US19300419580
申请日期
1930.01.09
申请人
ARTHUR WILLIAM A
发明人
ARTHUR WILLIAM A.
分类号
A01B51/04
主分类号
A01B51/04
代理机构
代理人
主权项
地址
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