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经营范围
发明名称
Vertical current pneumatic separator
摘要
申请公布号
US2446786(A)
申请公布日期
1948.08.10
申请号
US19440555521
申请日期
1944.09.23
申请人
VACUUM CONCENTRATOR INC.
发明人
REDHEAD MELVIN W.
分类号
B07B7/08
主分类号
B07B7/08
代理机构
代理人
主权项
地址
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