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经营范围
发明名称
Tornillo sinfín de envolvente esférica.
摘要
申请公布号
ES22742(Y)
申请公布日期
1950.08.16
申请号
ES19420000227U
申请日期
1950.03.03
申请人
CANUDAS CODERECH, JOSÉ
发明人
分类号
主分类号
代理机构
代理人
主权项
地址
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