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经营范围
发明名称
Rotary floor polishing machine having horizontally positioned motor
摘要
申请公布号
US2545635(A)
申请公布日期
1951.03.20
申请号
US19480021594
申请日期
1948.04.17
申请人
S. C. JOHNSON & SON, INC.
发明人
STEIBEL JAMES P.
分类号
A47L11/162
主分类号
A47L11/162
代理机构
代理人
主权项
地址
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