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发明名称
Perfectionnements aux tirefonneuses et boulonneuses
摘要
申请公布号
FR1082776(A)
申请公布日期
1955.01.03
申请号
FRD1082776
申请日期
1953.05.22
申请人
LES FILS D'ALBERT COLLET
发明人
分类号
E01B29/28
主分类号
E01B29/28
代理机构
代理人
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