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发明名称
Weeding and mulching tool
摘要
申请公布号
US2141533(A)
申请公布日期
1938.12.27
申请号
US19360108266
申请日期
1936.10.29
申请人
HUBBELL THEODORE B
发明人
HUBBELL THEODORE B.
分类号
A01B1/06
主分类号
A01B1/06
代理机构
代理人
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地址
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