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发明名称
Improvements in or relating to the cutting of hollow articles
摘要
申请公布号
GB864422(A)
申请公布日期
1961.04.06
申请号
GB19570012079
申请日期
1957.04.12
申请人
WHEELER MANUFACTURING CORPORATION
发明人
分类号
B23D21/08
主分类号
B23D21/08
代理机构
代理人
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