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发明名称
Draft and buffer gear
摘要
申请公布号
US1938704(A)
申请公布日期
1933.12.12
申请号
US19330659790
申请日期
1933.03.06
申请人
W.H. MINER, INC.
发明人
LOUNSBURY HARVEY J.
分类号
B61G9/02
主分类号
B61G9/02
代理机构
代理人
主权项
地址
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