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经营范围
发明名称
ADJUSTABLE LENGTH SCAFFOLDING AND METHOD THEREFOR
摘要
A scaffolding system for an attic area has a plurality of board members. An attachment device is provided for securing a first board member to an adjoining board member.
申请公布号
US2013313046(A1)
申请公布日期
2013.11.28
申请号
US201213480396
申请日期
2012.05.24
申请人
BIRK JOHN
发明人
BIRK JOHN
分类号
E04G3/24
主分类号
E04G3/24
代理机构
代理人
主权项
地址
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