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经营范围
发明名称
Rotary floor treating machine
摘要
申请公布号
US1948815(A)
申请公布日期
1934.02.27
申请号
US19310579407
申请日期
1931.12.07
申请人
GRUENDEL EDWARD B
发明人
GRUENDEL EDWARD B.
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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