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发明名称
Rotary impact curb breaker
摘要
申请公布号
US3129929(A)
申请公布日期
1964.04.21
申请号
US19610118228
申请日期
1961.06.12
申请人
GEORGE CALVERT A I
发明人
CALVERT A. I. GEORGE
分类号
E01C23/12
主分类号
E01C23/12
代理机构
代理人
主权项
地址
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