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经营范围
发明名称
A process of manufacturing refractory materials
摘要
申请公布号
GB361286(A)
申请公布日期
1931.11.16
申请号
GB19300021580
申请日期
1930.07.16
申请人
CHAMOTTEFABRIK THONBERG AKTIENGESELLSCHAFT
发明人
分类号
C04B33/13
主分类号
C04B33/13
代理机构
代理人
主权项
地址
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