SEAL WEAR INDICATOR,申请号GB19830019550-传众专利搜索

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发明名称	SEAL WEAR INDICATOR
摘要
申请公布号	GB8319550(D0)	申请公布日期	1983.08.24
申请号	GB19830019550	申请日期	1983.07.20
申请人	GRANGE PACKING LTD	发明人
分类号	G01B21/00;F16J15/34;G01B7/14;G01B21/08;(IPC1-7):G01B21/16	主分类号	G01B21/00
代理机构		代理人
主权项
地址

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