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发明名称
Plowshare
摘要
申请公布号
US2038492(A)
申请公布日期
1936.04.21
申请号
US19350042907
申请日期
1935.09.30
申请人
ALFRED JESSOP
发明人
JESSOP ALFRED
分类号
A01B15/04
主分类号
A01B15/04
代理机构
代理人
主权项
地址
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