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发明名称
DISPOSITIVO PARA LA FABRICACIoN DE BOLAS DE ACERO.
摘要
申请公布号
ES201487(A3)
申请公布日期
1952.03.01
申请号
ES19870002014
申请日期
1952.01.17
申请人
ZABALA ACHUTEGUI, JOSE MARIA DE
发明人
分类号
(IPC1-7):B21
主分类号
(IPC1-7):B21
代理机构
代理人
主权项
地址
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