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发明名称
Improvements in or relating to the construction of walls, buildings or the like
摘要
申请公布号
GB568979(A)
申请公布日期
1945.04.30
申请号
GB19430012182
申请日期
1943.07.27
申请人
WILLOUGHBY ARTHUR SMITH
发明人
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主分类号
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