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发明名称
Wheel and axle assembly
摘要
申请公布号
US2071947(A)
申请公布日期
1937.02.23
申请号
US19360084422
申请日期
1936.06.10
申请人
AMERICAN STEEL FOUNDRIES
发明人
OELKERS ALFRED H.;BACHMAN FRED E.
分类号
B61F15/16
主分类号
B61F15/16
代理机构
代理人
主权项
地址
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