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经营范围
发明名称
Railroad crossing gate apparatus
摘要
申请公布号
US1934429(A)
申请公布日期
1933.11.07
申请号
US19300444104
申请日期
1930.04.14
申请人
THE BUDA COMPANY
发明人
JENKINS JAMES W.
分类号
B61L29/22
主分类号
B61L29/22
代理机构
代理人
主权项
地址
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