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发明名称
UN PROCEDIMIENTO PARA LA FABRICACIoN DE LANA DE ESCORIA Y MINERAL
摘要
申请公布号
ES225197(A1)
申请公布日期
1956.04.16
申请号
ES19970002251
申请日期
1955.11.24
申请人
SMOUT, WILLWM CORNELIS PETRUS
发明人
分类号
(IPC1-7):C03
主分类号
(IPC1-7):C03
代理机构
代理人
主权项
地址
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