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发明名称
Perfectionnements aux échafaudages métalliques
摘要
申请公布号
FR1138488(A)
申请公布日期
1957.06.14
申请号
FRD1138488
申请日期
1955.12.08
申请人
发明人
LILIENFELD ALBERT
分类号
E04G7/24
主分类号
E04G7/24
代理机构
代理人
主权项
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