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经营范围
发明名称
Kneeling stool
摘要
申请公布号
US2225696(A)
申请公布日期
1940.12.24
申请号
US19390273910
申请日期
1939.05.16
申请人
HOLZDERBER CHARLES P
发明人
HOLZDERBER CHARLES P.
分类号
A47C16/04
主分类号
A47C16/04
代理机构
代理人
主权项
地址
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