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发明名称
Improvements in or relating to piercing tools
摘要
申请公布号
GB780731(A)
申请公布日期
1957.08.07
申请号
GB19530035214
申请日期
1954.01.17
申请人
REDMAN TOOLS AND PRODUCTS LIMITED;ALBERT MAURICE REDMAN
发明人
分类号
B21D28/24
主分类号
B21D28/24
代理机构
代理人
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地址
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