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发明名称
Method of forming mower guards
摘要
申请公布号
US1793717(A)
申请公布日期
1931.02.24
申请号
US19300421904
申请日期
1930.01.20
申请人
INTERNATIONAL HARVESTER COMPANY
发明人
PEARSON CHARLES
分类号
B21K19/00
主分类号
B21K19/00
代理机构
代理人
主权项
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