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发明名称
Side draft eliminator for gang plows
摘要
申请公布号
US1768402(A)
申请公布日期
1930.06.24
申请号
US19290391241
申请日期
1929.09.09
申请人
HECK WILLIAM E;JOHN ELLERMEYER
发明人
HECK WILLIAM E.;ELLERMEYER JOHN
分类号
A01B59/02
主分类号
A01B59/02
代理机构
代理人
主权项
地址
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