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发明名称
Friction draft gear
摘要
申请公布号
US1942377(A)
申请公布日期
1934.01.02
申请号
US19300461745
申请日期
1930.06.17
申请人
STUEBING ALBERT F
发明人
STUEBING ALBERT F.
分类号
B61G9/10
主分类号
B61G9/10
代理机构
代理人
主权项
地址
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