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发明名称
Automatic gap control device for hydraulically actuated flash welders
摘要
申请公布号
US2829233(A)
申请公布日期
1958.04.01
申请号
US19560605729
申请日期
1956.08.23
申请人
DOUTT KINGSLEY A
发明人
DOUTT KINGSLEY A.
分类号
B23K11/04
主分类号
B23K11/04
代理机构
代理人
主权项
地址
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