Seal assembly with thermal expansion restricter,申请号GB20010001441-传众专利搜索

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发明名称	Seal assembly with thermal expansion restricter
摘要
申请公布号	GB0101441(D0)	申请公布日期	2001.03.07
申请号	GB20010001441	申请日期	2001.01.19
申请人	GREENE TWEED OF DELAWARE INC	发明人
分类号	E21B33/00;E21B33/10;E21B34/06	主分类号	E21B33/00
代理机构		代理人
主权项
地址

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