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发明名称
Pneumatic polishing wheel
摘要
申请公布号
US2131449(A)
申请公布日期
1938.09.27
申请号
US19370143709
申请日期
1937.05.20
申请人
CLOTAIRE MARY
发明人
MARY CLOTAIRE
分类号
B24D9/02
主分类号
B24D9/02
代理机构
代理人
主权项
地址
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