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发明名称
CENTRIFUGAL MIXER HAVING VACUUM MEANS
摘要
申请公布号
US3521863(A)
申请公布日期
1970.07.28
申请号
USD3521863
申请日期
1968.02.01
申请人
ROBERT A. GRAHAM
发明人
ROBERT A. GRAHAM
分类号
B01F9/06;B01F13/06;B01F15/00;B29B7/50;(IPC1-7):B04B11/00
主分类号
B01F9/06
代理机构
代理人
主权项
地址
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