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经营范围
发明名称
Sheet metal cap
摘要
申请公布号
US1990670(A)
申请公布日期
1935.02.12
申请号
US19330660211
申请日期
1933.03.10
申请人
EDWIN B. STIMPSON COMPANY
发明人
RAU HENRY V.
分类号
B21D53/38
主分类号
B21D53/38
代理机构
代理人
主权项
地址
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