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发明名称
Perfectionnements aux haveuses
摘要
申请公布号
FR1392659(A)
申请公布日期
1965.03.19
申请号
FR19640962840
申请日期
1964.02.06
申请人
SOCIETE D'APPLICATIONS GENERALES D'ELECTRICITE ET DE MECANIQUE S. A. G. E. M.
发明人
分类号
E21C27/02
主分类号
E21C27/02
代理机构
代理人
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地址
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