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经营范围
发明名称
VACUUM DRUM FILTER
摘要
申请公布号
US3472383(A)
申请公布日期
1969.10.14
申请号
USD3472383
申请日期
1967.05.29
申请人
CHEM. CONSTRUCTION CORP.
发明人
GEORGE H. DANIELS;PETER M. WECHSELBLATT
分类号
B01D21/00;B01D33/00;B01D33/06;B01D35/16;(IPC1-7):B01D33/36
主分类号
B01D21/00
代理机构
代理人
主权项
地址
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