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发明名称
Two-way plow
摘要
申请公布号
US2625091(A)
申请公布日期
1953.01.13
申请号
US19470780417
申请日期
1947.10.17
申请人
PURSCHE HARRY A
发明人
PURSCHE HARRY A.
分类号
A01B3/30
主分类号
A01B3/30
代理机构
代理人
主权项
地址
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