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发明名称
Improvements in bricks or building blocks
摘要
申请公布号
GB718114(A)
申请公布日期
1954.11.10
申请号
GB19510027188
申请日期
1951.11.20
申请人
ROLAND EVAN THOMAS
发明人
分类号
E04B2/02;E04B2/28
主分类号
E04B2/02
代理机构
代理人
主权项
地址
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