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发明名称
Chuck
摘要
申请公布号
US2117746(A)
申请公布日期
1938.05.17
申请号
US19360087157
申请日期
1936.06.25
申请人
INGERSOLL-RAND COMPANY
发明人
SEAWRIGHT ROY M.
分类号
B25D17/08
主分类号
B25D17/08
代理机构
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