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发明名称
PERFECIONAMIENTO INTRODUCIDOS EN UN COJINETE DE EJE, ESPECIALMENTE DESTINADO A VEHiCULOS DE CARRILES
摘要
申请公布号
ES119399(A3)
申请公布日期
1930.09.16
申请号
ES19990001193
申请日期
1930.08.12
申请人
MATTHEWS, EDWARD FRANCIS
发明人
分类号
(IPC1-7):B61
主分类号
(IPC1-7):B61
代理机构
代理人
主权项
地址
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