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经营范围
发明名称
Vertical lift scaffold
摘要
申请公布号
US2563682(A)
申请公布日期
1951.08.07
申请号
US19480032400
申请日期
1948.06.11
申请人
LAABACK ROBERT J
发明人
LAABACK ROBERT J.
分类号
E04G1/20
主分类号
E04G1/20
代理机构
代理人
主权项
地址
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