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发明名称
Perfectionnements dans les séparations d'étages, planchers et plafonds en béton et parties similaires des bâtiments
摘要
申请公布号
FR837738(A)
申请公布日期
1939.02.20
申请号
FRD837738
申请日期
1938.05.09
申请人
FORMETA-BETON A/S.
发明人
分类号
E04B5/36
主分类号
E04B5/36
代理机构
代理人
主权项
地址
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