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发明名称
Button manufacture
摘要
申请公布号
US2016240(A)
申请公布日期
1935.10.01
申请号
US19330654902
申请日期
1933.02.02
申请人
UNIVERSAL BUTTON FASTENING & BUTTON COMPANY
发明人
CLARK JOHN M.;FORD VIOLET M.;COMPANY THE CANADA TRUST
分类号
B21D53/48
主分类号
B21D53/48
代理机构
代理人
主权项
地址
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