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发明名称
APPARATUS FOR TREATING SURFACES WITH GRAVITATIONALLY DROPPING BALLS IN PARTICULAR SURFACES OF LONG AND SLENDER AIRFOILS
摘要
申请公布号
PL116094(B2)
申请公布日期
1981.05.30
申请号
PL19780212483
申请日期
1978.12.29
申请人
发明人
分类号
B24B31/14;B24C;(IPC1-7):B24B31/14
主分类号
B24B31/14
代理机构
代理人
主权项
地址
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