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发明名称
Improvements in hollow walls and in plates for their construction
摘要
申请公布号
GB464719(A)
申请公布日期
1937.04.23
申请号
GB19360010377
申请日期
1936.04.08
申请人
JOHANNES CORNELIS PIETER LEEMHUIS;EDWARD JAMES DONALDSON
发明人
分类号
E04B2/02;E04B2/28
主分类号
E04B2/02
代理机构
代理人
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地址
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