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经营范围
发明名称
Rattle type dimple gun with tool and work heating means
摘要
申请公布号
US2843174(A)
申请公布日期
1958.07.15
申请号
US19530332178
申请日期
1953.01.21
申请人
DOUGLAS AIRCRAFT COMPANY, INC.
发明人
JONES STERLING B.
分类号
B21D22/04
主分类号
B21D22/04
代理机构
代理人
主权项
地址
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CANOPY
