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经营范围
发明名称
ROCK DRILL DRESSING AND SHARPENING MEANS
摘要
申请公布号
CA412507(A)
申请公布日期
1943.05.18
申请号
CAD412507
申请日期
申请人
ERNEST CRAIG
发明人
ERNEST CRAIG
分类号
主分类号
代理机构
代理人
主权项
地址
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MEANS FOR CONTROLLING REACTIVE POWER IN AN INVERTER STATION
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