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发明名称
Needle scaler
摘要
申请公布号
US3193908(A)
申请公布日期
1965.07.13
申请号
US19630313465
申请日期
1963.10.03
申请人
NEWPORT NEWS SHIPBUILDING AND DRY DOCK COMPANY
发明人
WHITE HOYT T.
分类号
B08B7/02;B25D15/02;B25D17/02
主分类号
B08B7/02
代理机构
代理人
主权项
地址
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