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发明名称
Wheel chock
摘要
申请公布号
US2797774(A)
申请公布日期
1957.07.02
申请号
US19520312711
申请日期
1952.10.02
申请人
THE DAYTON RUBBER COMPANY
发明人
ECKHART CHARLES RICHARD
分类号
B60T3/00
主分类号
B60T3/00
代理机构
代理人
主权项
地址
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