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发明名称
ROERAVSKJAERINGSANORDNING FOR SIKKERHETSVENTIL MOT UTBLAASING
摘要
申请公布号
NO784033(A)
申请公布日期
1979.10.09
申请号
NO19780004033
申请日期
1978.12.01
申请人
CAMERON IRON WORKS, INC.,
发明人
RANDALL, ROSS D.,;JONES, MARVIN R.,
分类号
B23D21/00;E21B29/08;E21B33/06;(IPC1-7):E21B/
主分类号
B23D21/00
代理机构
代理人
主权项
地址
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