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发明名称
Method of making sliders
摘要
申请公布号
US1822173(A)
申请公布日期
1931.09.08
申请号
US19280289288
申请日期
1928.06.29
申请人
PRENTICE GEORGE E
发明人
PRENTICE GEORGE E.
分类号
B21D53/54
主分类号
B21D53/54
代理机构
代理人
主权项
地址
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