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发明名称
Grit remover
摘要
申请公布号
US2093257(A)
申请公布日期
1937.09.14
申请号
US19350027368
申请日期
1935.06.19
申请人
STORM MANUFACTURING CO. INC.
发明人
THORSEN THOR
分类号
B24B55/06
主分类号
B24B55/06
代理机构
代理人
主权项
地址
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