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发明名称
ELEMENT OF PILING PACKING FOR COLUMN APPARATUS
摘要
申请公布号
PL262162(A1)
申请公布日期
1988.08.18
申请号
PL19860262162
申请日期
1986.10.30
申请人
发明人
分类号
B01J;B01J19/24;(IPC1-7):B01J/
主分类号
B01J
代理机构
代理人
主权项
地址
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