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发明名称
MEJORAS INTRODUCIDAS EN SIERRAS DE ALAMBRE.
摘要
申请公布号
ES448333(A1)
申请公布日期
1977.07.16
申请号
ES19330004483
申请日期
1976.05.28
申请人
GEORGE H. HALL
发明人
分类号
B23D61/18;B24D11/00;(IPC1-7):26D/;28D/
主分类号
B23D61/18
代理机构
代理人
主权项
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