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经营范围
发明名称
UN MÉTODO PARA LA PREPARACIoN DE MATERIALES DE MOLDE.
摘要
申请公布号
ES241980(A1)
申请公布日期
1958.12.01
申请号
ES19800002419
申请日期
1958.05.19
申请人
ONDERZOEKINGSINSTITUUT RESEARCH, N. V.
发明人
分类号
(IPC1-7):B22;B28;B29
主分类号
(IPC1-7):B22
代理机构
代理人
主权项
地址
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