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经营范围
发明名称
Brennrohr
摘要
申请公布号
AT281652(B)
申请公布日期
1970.05.25
申请号
AT19680003814
申请日期
1968.04.19
申请人
ROMETA AG
发明人
分类号
E21B7/14;(IPC1-7):B28D1/14
主分类号
E21B7/14
代理机构
代理人
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