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发明名称
Concentrator
摘要
申请公布号
US2118803(A)
申请公布日期
1938.05.31
申请号
US19370122184
申请日期
1937.01.25
申请人
SPENCER BOWEN WILLIAM
发明人
BOWEN WILLIAM SPENCER
分类号
B07B7/086
主分类号
B07B7/086
代理机构
代理人
主权项
地址
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