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发明名称
Trolley bridge
摘要
申请公布号
US1783710(A)
申请公布日期
1930.12.02
申请号
US19270243740
申请日期
1927.12.30
申请人
THE KINNEAR MANUFACTURING COMPANY
发明人
GREEGOR RALPH H.
分类号
B61L1/12
主分类号
B61L1/12
代理机构
代理人
主权项
地址
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