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发明名称
Anticreeper for rails
摘要
申请公布号
US1777990(A)
申请公布日期
1930.10.07
申请号
US19280299804
申请日期
1928.08.15
申请人
LOOP MOORE GEORGE;ROBERT STEELE JAMES
发明人
MOORE GEORGE LOOP;STEELE JAMES ROBERT
分类号
E01B13/02
主分类号
E01B13/02
代理机构
代理人
主权项
地址
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