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发明名称
Abrading device
摘要
申请公布号
US2793477(A)
申请公布日期
1957.05.28
申请号
US19550535474
申请日期
1955.09.20
申请人
GRAY CHARLES D
发明人
GRAY CHARLES D.
分类号
B24D15/02
主分类号
B24D15/02
代理机构
代理人
主权项
地址
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