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发明名称
VACUUM FILTER WITH RELEASABLY CLAMPED LIP SEAL BETWEEN TRAY ENDS
摘要
申请公布号
NZ227927(A)
申请公布日期
1990.08.28
申请号
NZ19890227927
申请日期
1989.02.10
申请人
DORR-OLIVER INC
发明人
PIETZSCH, KURT ERHARD
分类号
B01D33/29;B01D33/333;(IPC1-7):B01D33/32;F16J15/00;F16J15/02
主分类号
B01D33/29
代理机构
代理人
主权项
地址
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