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发明名称
Tooth with t-shaped shank
摘要
申请公布号
US3349508(A)
申请公布日期
1967.10.31
申请号
US19650485154
申请日期
1965.09.07
申请人
ANITA E. PETERSEN
发明人
PETERSEN GERALD A.
分类号
E02F9/28
主分类号
E02F9/28
代理机构
代理人
主权项
地址
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