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经营范围
发明名称
Crimping and sealing edge for light gauge sheet materials
摘要
申请公布号
US1951470(A)
申请公布日期
1934.03.20
申请号
US19320640246
申请日期
1932.10.29
申请人
ARTHUR T. COLE;HUGH L. COLE;LOUIS D. SUMMERS
发明人
COLE HUGH L.
分类号
B21D49/00
主分类号
B21D49/00
代理机构
代理人
主权项
地址
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