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发明名称
Fish-scaling tool
摘要
申请公布号
US2148944(A)
申请公布日期
1939.02.28
申请号
US19370175307
申请日期
1937.11.18
申请人
HELM JOHN T
发明人
HELM JOHN T.
分类号
A22C25/02
主分类号
A22C25/02
代理机构
代理人
主权项
地址
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