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经营范围
发明名称
Wheel chock
摘要
申请公布号
US1793379(A)
申请公布日期
1931.02.17
申请号
US19290369655
申请日期
1929.06.10
申请人
THE EVANS AUTO LOADING CO., INC.
发明人
SNYDER CLIFFORD L.
分类号
B60P3/077
主分类号
B60P3/077
代理机构
代理人
主权项
地址
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