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发明名称
Tandem disk earth-working implement
摘要
申请公布号
US2204684(A)
申请公布日期
1940.06.18
申请号
US19390249917
申请日期
1939.01.09
申请人
LE BLEU CHARLES
发明人
BLEU CHARLES LE
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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