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发明名称
Rooftop scaffolding
摘要
Scaffolding for supporting one or more rooftop workers engaged in installing roofing materials such as roof shingles on an inclined roof.
申请公布号
US6220390(B1)
申请公布日期
2001.04.24
申请号
US20000566862
申请日期
2000.05.08
申请人
PIKE CHARLES E
发明人
PIKE CHARLES E
分类号
E04D15/02;E04G3/26;E04G3/28;(IPC1-7):E04G1/36
主分类号
E04D15/02
代理机构
代理人
主权项
地址
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