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发明名称
Method of making hats
摘要
申请公布号
US2251477(A)
申请公布日期
1941.08.05
申请号
US19370129853
申请日期
1937.03.09
申请人
E. D. BULLARD COMPANY
发明人
WISMAN LAUREN OTHO
分类号
B21D22/26;B29C51/08
主分类号
B21D22/26
代理机构
代理人
主权项
地址
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