MECHANICAL SEAL,申请号AP19890000143-传众专利搜索

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发明名称	MECHANICAL SEAL
摘要
申请公布号	AP8900143(D0)	申请公布日期	1989.10.31
申请号	AP19890000143	申请日期	1989.10.16
申请人	TERRATECH MINING SERVICES (PTY) LTD	发明人
分类号	F16J15/34;F16J15/36	主分类号	F16J15/34
代理机构		代理人
主权项
地址

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