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发明名称
MEJORAS EN MáQUINAS DE HILAR
摘要
申请公布号
ES188536(A1)
申请公布日期
1949.08.01
申请号
ES19360001885
申请日期
1949.06.06
申请人
BECHTLER, HANS CARL
发明人
分类号
(IPC1-7):D01
主分类号
(IPC1-7):D01
代理机构
代理人
主权项
地址
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