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经营范围
发明名称
Improvements in mud guards for submarine drills
摘要
申请公布号
GB327242(A)
申请公布日期
1930.04.03
申请号
GB19290005330
申请日期
1929.02.18
申请人
INGERSOLL-RAND COMPANY
发明人
分类号
E02B3/02
主分类号
E02B3/02
代理机构
代理人
主权项
地址
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