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发明名称
Method of making tacks
摘要
申请公布号
US2680393(A)
申请公布日期
1954.06.08
申请号
US19490134956
申请日期
1949.12.24
申请人
TOK, INC.
发明人
HOWELL ROBERT VINCENT
分类号
B21G3/18;B21G3/28
主分类号
B21G3/18
代理机构
代理人
主权项
地址
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