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发明名称
Expansible rimmed abrading wheel
摘要
申请公布号
US2494818(A)
申请公布日期
1950.01.17
申请号
US19480025654
申请日期
1948.05.07
申请人
BATA, NARODNI PODNIK
发明人
KRISTEK EMANUEL
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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