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发明名称
Improvements in walls
摘要
申请公布号
GB412682(A)
申请公布日期
1934.07.05
申请号
GB19330004548
申请日期
1933.02.14
申请人
ROBERT LEGGAT;JOHANNES CORNELIS PIETER LEEMHUIS
发明人
分类号
E04B2/18
主分类号
E04B2/18
代理机构
代理人
主权项
地址
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