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经营范围
发明名称
Improvements in manufacture of compositions comprising ceramic bonded alumina granules
摘要
申请公布号
GB361167(A)
申请公布日期
1931.11.19
申请号
GB19300039040
申请日期
1930.12.29
申请人
NORTON COMPANY
发明人
分类号
C04B33/02
主分类号
C04B33/02
代理机构
代理人
主权项
地址
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