PRESTRESSED SUPPORTING BEAM,申请号HR19970000058-传众专利搜索

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发明名称	PRESTRESSED SUPPORTING BEAM
摘要
申请公布号	HR970058A1	申请公布日期	1998.12.31
申请号	HR19970000058	申请日期	1997.01.30
申请人		发明人
分类号		主分类号
代理机构		代理人
主权项
地址

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