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发明名称
Disintegrating apparatus for road-surfacing materials
摘要
申请公布号
US1791865(A)
申请公布日期
1931.02.10
申请号
US19280290257
申请日期
1928.07.03
申请人
FORDYCE BERT M
发明人
FORDYCE BERT M.
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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