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经营范围
发明名称
An improved coupling or clamp for scaffold poles or other bodies
摘要
申请公布号
GB383451(A)
申请公布日期
1932.11.17
申请号
GB19310034624
申请日期
1931.12.14
申请人
ARNOLD CLARENCE MARSHALL;STEEL SCAFFOLDING COMPANY, LIMITED
发明人
分类号
E04G7/16
主分类号
E04G7/16
代理机构
代理人
主权项
地址
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