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发明名称
Material working apparatus
摘要
申请公布号
US2098220(A)
申请公布日期
1937.11.09
申请号
US19320628580
申请日期
1932.08.12
申请人
W. F. & JOHN BARNES COMPANY
发明人
BARNES JOHN S.;GUIRL PAUL R.;JOHNSON GEORGE C.
分类号
B23Q39/04
主分类号
B23Q39/04
代理机构
代理人
主权项
地址
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