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发明名称
Railway draft rigging
摘要
申请公布号
US1916846(A)
申请公布日期
1933.07.04
申请号
US19280253878
申请日期
1928.02.13
申请人
W. H. MINER, INC.
发明人
LOUNSBURY HARVEY J.
分类号
B61G9/10
主分类号
B61G9/10
代理机构
代理人
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地址
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