SHAPED TYPE PACKING ELEMENT,申请号PL19790217719-传众专利搜索

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发明名称	SHAPED TYPE PACKING ELEMENT
摘要
申请公布号	PL117482(B2)	申请公布日期	1981.08.31
申请号	PL19790217719	申请日期	1979.08.11
申请人		发明人
分类号	B01D;(IPC1-7):B01D53/20;B01J19/04	主分类号	B01D
代理机构		代理人
主权项
地址

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