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发明名称
Plow
摘要
申请公布号
US2442712(A)
申请公布日期
1948.06.01
申请号
US19440529360
申请日期
1944.04.03
申请人
SMITH SEARS CHARLOTTE RUBY;SEARS RICHARD W
发明人
SEARS CHARLOTTE RUBY SMITH;SEARS RICHARD W.
分类号
A01B13/08;A01B49/02
主分类号
A01B13/08
代理机构
代理人
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