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发明名称
Block paving machine and the like
摘要
申请公布号
US1825320(A)
申请公布日期
1931.09.29
申请号
US19280244813
申请日期
1928.01.06
申请人
ERNST KUERTS
发明人
KUERTS ERNST
分类号
E01C19/52
主分类号
E01C19/52
代理机构
代理人
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地址
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