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发明名称
Leveler
摘要
申请公布号
US2134444(A)
申请公布日期
1938.10.25
申请号
US19360092467
申请日期
1936.07.24
申请人
HARSH ROBINSON H
发明人
HARSH ROBINSON H.
分类号
A47B91/02
主分类号
A47B91/02
代理机构
代理人
主权项
地址
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