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发明名称
Mulching hoe
摘要
申请公布号
US1933625(A)
申请公布日期
1933.11.07
申请号
US19310514946
申请日期
1931.02.11
申请人
HOVLAND HANS H
发明人
HOVLAND HANS H.
分类号
A01B1/12
主分类号
A01B1/12
代理机构
代理人
主权项
地址
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