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发明名称
Perfectionnements aux rouleaux vibrateurs
摘要
申请公布号
FR1252792(A)
申请公布日期
1961.02.03
申请号
FR19590813978
申请日期
1959.12.23
申请人
ETABLISSEMENTS J. COUTHON
发明人
分类号
E01C19/28
主分类号
E01C19/28
代理机构
代理人
主权项
地址
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