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经营范围
发明名称
Improvements in or relating to refractory and/or chemically resistant bricks or shapes
摘要
申请公布号
GB777660(A)
申请公布日期
1957.06.26
申请号
GB19550022837
申请日期
1955.08.08
申请人
HANNS WESTER;THEO WESTER
发明人
分类号
C04B41/45;C04B41/50;C04B41/81;C04B41/87
主分类号
C04B41/45
代理机构
代理人
主权项
地址
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