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发明名称
Safety device
摘要
申请公布号
US1821334(A)
申请公布日期
1931.09.01
申请号
US19300474473
申请日期
1930.08.11
申请人
ALLEN CLARK ELLIOT E VAN
发明人
ALLEN CLARK ELLIOT E. VAN
分类号
B60C23/02
主分类号
B60C23/02
代理机构
代理人
主权项
地址
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