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经营范围
发明名称
Pneumatically operated rivet feed
摘要
申请公布号
US2506994(A)
申请公布日期
1950.05.09
申请号
US19440550435
申请日期
1944.08.21
申请人
DOUGLAS AIRCRAFT COMPANY, INC.
发明人
CHADWICK CHARLES
分类号
B21J15/32
主分类号
B21J15/32
代理机构
代理人
主权项
地址
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