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经营范围
发明名称
Perfectionnements apportés à la mise en oeuvre du béton armé, notamment pour l'établissement des planchers et escaliers d'immeubles et locaux industriels
摘要
申请公布号
FR753663(A)
申请公布日期
1933.10.21
申请号
FRD753663
申请日期
1932.07.28
申请人
发明人
GUELAIN HENRI-PIERRE-ALEXAND
分类号
E04B1/30;E04B1/35
主分类号
E04B1/30
代理机构
代理人
主权项
地址
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