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发明名称
Reamer
摘要
申请公布号
US1894937(A)
申请公布日期
1933.01.24
申请号
US19310510005
申请日期
1931.01.20
申请人
BERRY BROS. TOOL MFG. CO.
发明人
BERRY CHARLES F.
分类号
B23D77/04
主分类号
B23D77/04
代理机构
代理人
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