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发明名称
Railway truck
摘要
申请公布号
US1775114(A)
申请公布日期
1930.09.09
申请号
US19280285472
申请日期
1928.06.14
申请人
BARROWS DONALD S
发明人
BARROWS DONALD S.
分类号
B61F5/06
主分类号
B61F5/06
代理机构
代理人
主权项
地址
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