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发明名称
Tractor hitch
摘要
申请公布号
US2247534(A)
申请公布日期
1941.07.01
申请号
US19390306906
申请日期
1939.11.30
申请人
VON SCHLEGELL FREDERICK
发明人
SCHLEGELL FREDERICK VON
分类号
A01B23/04
主分类号
A01B23/04
代理机构
代理人
主权项
地址
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