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经营范围
发明名称
Process for lining shafts
摘要
申请公布号
US2602299(A)
申请公布日期
1952.07.08
申请号
US19470793702
申请日期
1947.12.24
申请人
ELECTRO-WATT ELECTRICAL AND INDUSTRIAL MANAGEMENT CO., LTD.
发明人
SONDEREGGER CARL
分类号
E02B9/06
主分类号
E02B9/06
代理机构
代理人
主权项
地址
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