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发明名称
Workench
摘要
申请公布号
US1797717(A)
申请公布日期
1931.03.24
申请号
US19280276254
申请日期
1928.05.09
申请人
THE NEW BRITAIN MACHINE COMPANY
发明人
COATES JAMES HERBERT
分类号
B25H1/02
主分类号
B25H1/02
代理机构
代理人
主权项
地址
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