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发明名称
Cutting blade
摘要
申请公布号
US1823031(A)
申请公布日期
1931.09.15
申请号
US19290330807
申请日期
1929.01.07
申请人
DALEN JOHN H
发明人
DALEN JOHN H.
分类号
H01M2/18
主分类号
H01M2/18
代理机构
代理人
主权项
地址
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