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经营范围
发明名称
Scraper
摘要
申请公布号
US2238957(A)
申请公布日期
1941.04.22
申请号
US19390268134
申请日期
1939.04.15
申请人
WARNER HARRY H
发明人
WARNER HARRY H.
分类号
A47L13/08
主分类号
A47L13/08
代理机构
代理人
主权项
地址
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