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发明名称
Method of making slide fasteners
摘要
申请公布号
US2567914(A)
申请公布日期
1951.09.11
申请号
US19470786241
申请日期
1947.11.15
申请人
GEORGE WINTRISS
发明人
WINTRISS GEORGE
分类号
B21D53/50
主分类号
B21D53/50
代理机构
代理人
主权项
地址
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