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发明名称
Grinding wheel testing apparatus
摘要
申请公布号
US1805896(A)
申请公布日期
1931.05.19
申请号
US19280263484
申请日期
1928.03.21
申请人
THE SAFETY GRINDING WHEEL & MCH. COMPANY
发明人
WEINLAND HERMON G.
分类号
G01M99/00
主分类号
G01M99/00
代理机构
代理人
主权项
地址
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