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发明名称
Perfectionnements apportés aux hourdis, voire aussi aux constructions devant en comporter
摘要
申请公布号
FR855927(A)
申请公布日期
1940.05.23
申请号
FRD855927
申请日期
1939.06.07
申请人
发明人
HUBER
分类号
E04B5/19
主分类号
E04B5/19
代理机构
代理人
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地址
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