Marine riser having variable buoyancy,申请号AU19990051365-传众专利搜索

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发明名称	Marine riser having variable buoyancy
摘要
申请公布号	AU751317(B2)	申请公布日期	2002.08.15
申请号	AU19990051365	申请日期	1999.07.30
申请人	EXXONMOBIL OIL CORPORATION	发明人	FORREST EARL SHANKS II
分类号	E21B17/01;(IPC1-7):E02D23/00	主分类号	E21B17/01
代理机构		代理人
主权项
地址

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