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经营范围
发明名称
Centrifugal machine
摘要
申请公布号
US1903298(A)
申请公布日期
1933.04.04
申请号
US19290381171
申请日期
1929.07.26
申请人
EUGENE ROBERTS
发明人
ROBERTS EUGENE
分类号
B04B11/05
主分类号
B04B11/05
代理机构
代理人
主权项
地址
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