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发明名称
Improvements in cutting torches
摘要
申请公布号
GB1048535(A)
申请公布日期
1966.11.16
申请号
GB19640006360
申请日期
1964.02.14
申请人
WILLI HUMBERG
发明人
分类号
E21B7/14;F23D99/00
主分类号
E21B7/14
代理机构
代理人
主权项
地址
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