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发明名称
Hone
摘要
申请公布号
US2347856(A)
申请公布日期
1944.05.02
申请号
US19430479407
申请日期
1943.03.17
申请人
KATHERINE E. WACHTER
发明人
WACHTER HERBERT E.
分类号
B24D15/08
主分类号
B24D15/08
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