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发明名称
Power cutter for round metal objects
摘要
申请公布号
US1814675(A)
申请公布日期
1931.07.14
申请号
US19300491030
申请日期
1930.10.24
申请人
ERICKSON FREDERIC W
发明人
ERICKSON FREDERIC W.
分类号
B23G1/22
主分类号
B23G1/22
代理机构
代理人
主权项
地址
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