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发明名称
Undercutter attachment for flexible shaft bench grinders
摘要
申请公布号
US1851284(A)
申请公布日期
1932.03.29
申请号
US19300467405
申请日期
1930.07.12
申请人
PRATT & WHITNEY COMPANY
发明人
KRAUSE WILLIAM
分类号
B24B41/00
主分类号
B24B41/00
代理机构
代理人
主权项
地址
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