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发明名称
REFRACTORY GRID AND METHOD OF MAKING SAME
摘要
申请公布号
CA845616(A)
申请公布日期
1970.06.30
申请号
CAD845616
申请日期
申请人
ROBERT PYZEL
发明人
ROBERT PYZEL
分类号
主分类号
代理机构
代理人
主权项
地址
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