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发明名称
Rotatable hone
摘要
申请公布号
US2777259(A)
申请公布日期
1957.01.15
申请号
US19550508928
申请日期
1955.05.17
申请人
AMMCO TOOLS, INC.
发明人
BILLETER HENRY ROBERT;KUSHMUK WALTER P.
分类号
B24B33/08
主分类号
B24B33/08
代理机构
代理人
主权项
地址
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