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经营范围
发明名称
Refining of sugar
摘要
申请公布号
US2450683(A)
申请公布日期
1948.10.05
申请号
US19450634618
申请日期
1945.12.12
申请人
PITTMAN ERNEST E
发明人
PITTMAN ERNEST E.
分类号
C13B20/02
主分类号
C13B20/02
代理机构
代理人
主权项
地址
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