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发明名称
Nonskid fruit tree ladder
摘要
申请公布号
US1866974(A)
申请公布日期
1932.07.12
申请号
US19300492796
申请日期
1930.11.01
申请人
HOHING FRED J;JAMES LIVINGSTON
发明人
HOHING FRED J.;LIVINGSTON JAMES
分类号
E06C1/20
主分类号
E06C1/20
代理机构
代理人
主权项
地址
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