Riser construction with separate upper relatively large reusable section,申请号US19650476046-传众专利搜索

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发明名称	Riser construction with separate upper relatively large reusable section
摘要
申请公布号	US3409267(A)	申请公布日期	1968.11.05
申请号	US19650476046	申请日期	1965.07.30
申请人	AMSTED INDUSTRIES INCORPORATED	发明人	WSZOLEK JOSEPH V.
分类号	B22C9/08;B22D18/04	主分类号	B22C9/08
代理机构		代理人
主权项
地址

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