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发明名称
Hay lift
摘要
申请公布号
US2286092(A)
申请公布日期
1942.06.09
申请号
US19410405280
申请日期
1941.08.04
申请人
HEDLUND WILFRED E;HEDLUND MARTIN R
发明人
HEDLUND WILFRED E.;HEDLUND MARTIN R.
分类号
B66D1/20
主分类号
B66D1/20
代理机构
代理人
主权项
地址
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