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发明名称
Free-floating street sweeper elevator
摘要
申请公布号
US2950827(A)
申请公布日期
1960.08.30
申请号
US19560590013
申请日期
1956.06.07
申请人
HENRY BURGDORFF
发明人
BURGDORFF HENRY
分类号
E01H1/04
主分类号
E01H1/04
代理机构
代理人
主权项
地址
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