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发明名称
Multiple grinder
摘要
申请公布号
US1882447(A)
申请公布日期
1932.10.11
申请号
US19300471936
申请日期
1930.07.31
申请人
RAULE CLIFFORD T
发明人
RAULE CLIFFORD T.
分类号
B24B27/00
主分类号
B24B27/00
代理机构
代理人
主权项
地址
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