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发明名称
Cutting and grinding apparatus
摘要
申请公布号
US1868983(A)
申请公布日期
1932.07.26
申请号
US19270180085
申请日期
1927.04.01
申请人
THE LETZ MANUFACTURING COMPANY
发明人
HOLLAND-LETZ JOHN
分类号
B02C18/14;B02C23/00;B02C23/16
主分类号
B02C18/14
代理机构
代理人
主权项
地址
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