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发明名称
Improvements in and relating to tools for dimpling rivet holes
摘要
申请公布号
GB579148(A)
申请公布日期
1946.07.24
申请号
GB19450005719
申请日期
1945.03.07
申请人
BLACKBURN AIRCRAFT LIMITED;JOSEPH SEAL
发明人
分类号
B21D22/04
主分类号
B21D22/04
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代理人
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