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发明名称
Spark arrester
摘要
申请公布号
US1884438(A)
申请公布日期
1932.10.25
申请号
US19290385348
申请日期
1929.08.12
申请人
THE SAFETY GRINDING WHEEL & MACHINE COMPANY
发明人
WEINLAND HERMON G.
分类号
B23Q11/08;B24B55/06
主分类号
B23Q11/08
代理机构
代理人
主权项
地址
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