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发明名称
Dispositif de raidissement des tubes d'échafaudages et autres ouvrages temporaires
摘要
申请公布号
FR915440(A)
申请公布日期
1946.11.06
申请号
FRD915440
申请日期
1945.05.24
申请人
发明人
MERCIER ROBERT-ERNEST;THEVENIN JEAN-LOUIS-GEORGES
分类号
E04G11/50
主分类号
E04G11/50
代理机构
代理人
主权项
地址
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