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经营范围
发明名称
Hardened metallic structure
摘要
申请公布号
US2541116(A)
申请公布日期
1951.02.13
申请号
US19430507784
申请日期
1943.10.27
申请人
THE OHIO CRANKSHAFT COMPANY
发明人
SOMES HOWARD E.
分类号
F41A21/22
主分类号
F41A21/22
代理机构
代理人
主权项
地址
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