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经营范围
发明名称
Detachable scarifier tooth
摘要
申请公布号
US2222071(A)
申请公布日期
1940.11.19
申请号
US19380245479
申请日期
1938.12.13
申请人
CATERPILLAR TRACTOR CO.
发明人
GUSTAFSON CARL A.
分类号
A01B35/22;E02F5/32;E02F9/28
主分类号
A01B35/22
代理机构
代理人
主权项
地址
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