METHOD OF PROTECTING PUMPS AGAINST DESTRUCTION,申请号PL19860260494-传众专利搜索

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发明名称	METHOD OF PROTECTING PUMPS AGAINST DESTRUCTION
摘要
申请公布号	PL154639(B1)	申请公布日期	1991.09.30
申请号	PL19860260494	申请日期	1986.07.04
申请人		发明人
分类号	E21F16/00;(IPC1-7):E21F16/00	主分类号	E21F16/00
代理机构		代理人
主权项
地址

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