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发明名称
Wheel
摘要
申请公布号
US1891336(A)
申请公布日期
1932.12.20
申请号
US19310549372
申请日期
1931.07.08
申请人
RYDER ELY M T
发明人
RYDER ELY M. T.
分类号
B60C15/02;B60C17/04
主分类号
B60C15/02
代理机构
代理人
主权项
地址
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