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发明名称
Sharp-toothed tire engaging members for driving vehicle wheels
摘要
申请公布号
US2771959(A)
申请公布日期
1956.11.27
申请号
US19540411482
申请日期
1954.02.19
申请人
PHELPS WILLIAM H
发明人
PHELPS WILLIAM H.
分类号
A01D34/68;F16H13/02
主分类号
A01D34/68
代理机构
代理人
主权项
地址
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