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发明名称
Scarifier
摘要
申请公布号
US1853212(A)
申请公布日期
1932.04.12
申请号
US19290397539
申请日期
1929.10.05
申请人
HI-WAY SERVICE CORPORATION
发明人
KERBER JOSEPH H.
分类号
E02F3/76
主分类号
E02F3/76
代理机构
代理人
主权项
地址
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