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发明名称
Share for sowing machines
摘要
申请公布号
US2242025(A)
申请公布日期
1941.05.13
申请号
US19380220172
申请日期
1938.07.20
申请人
ERIK VILHELM WALTER HALLWYL VON GEIJER
发明人
EWERTH ANTON GEORG
分类号
A01C5/06
主分类号
A01C5/06
代理机构
代理人
主权项
地址
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