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发明名称
Devices for use in the conveyance of root crops
摘要
申请公布号
US2881905(A)
申请公布日期
1959.04.14
申请号
US19550545092
申请日期
1955.11.04
申请人
NATIONAL RESEARCH DEVELOPMENT CORPORATION
发明人
HAWKINS JOHN CLEMENT
分类号
A01D33/08
主分类号
A01D33/08
代理机构
代理人
主权项
地址
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