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发明名称
Method and form for concrete highway construction
摘要
申请公布号
US1868819(A)
申请公布日期
1932.07.26
申请号
US19300426076
申请日期
1930.02.05
申请人
HARRISON FLYNN BENJAMIN
发明人
FLYNN BENJAMIN HARRISON
分类号
E01C19/50
主分类号
E01C19/50
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