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经营范围
发明名称
Scaffolds and scaffold construction elements
摘要
申请公布号
GB635999(A)
申请公布日期
1950.04.19
申请号
GB19470004223
申请日期
1947.02.13
申请人
JOHN ROBERT O'DONNEL
发明人
分类号
E04G7/24
主分类号
E04G7/24
代理机构
代理人
主权项
地址
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CONNECTOR
