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发明名称
Weed puller
摘要
申请公布号
US2448445(A)
申请公布日期
1948.08.31
申请号
US19460679788
申请日期
1946.06.27
申请人
KRUPP CHARLES E;PETERSON WILLIAM R
发明人
KRUPP CHARLES E.;PETERSON WILLIAM R.
分类号
A01B1/18
主分类号
A01B1/18
代理机构
代理人
主权项
地址
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