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经营范围
发明名称
CIERRE PARA DESCARGA DE TOLVAS.
摘要
申请公布号
ES224829(Y)
申请公布日期
1977.06.16
申请号
ES19290002248U
申请日期
1976.11.30
申请人
发明人
分类号
B67B;(IPC1-7):67B/
主分类号
B67B
代理机构
代理人
主权项
地址
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