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经营范围
发明名称
Ladder platform
摘要
申请公布号
US2848282(A)
申请公布日期
1958.08.19
申请号
US19550549943
申请日期
1955.11.30
申请人
WEBER WILLIAM M
发明人
WEBER WILLIAM M.
分类号
E06C7/16
主分类号
E06C7/16
代理机构
代理人
主权项
地址
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