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发明名称
Method of manufacturing tread parts and other similar articles
摘要
申请公布号
US2430986(A)
申请公布日期
1947.11.18
申请号
US19420454070
申请日期
1942.08.07
申请人
MECHANICAL PRODUCTS, INC.
发明人
KLINE HERBERT J.;KNAPP ARTHUR D.
分类号
B21K23/02
主分类号
B21K23/02
代理机构
代理人
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