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发明名称
ANTI-GAS LOCKING APPARATUS
摘要
申请公布号
GB2117049(A)
申请公布日期
1983.10.05
申请号
GB19830003142
申请日期
1983.02.04
申请人
* DRESSER INDUSTRIES INC
发明人
ELDON LEMON * DRAKE
分类号
F04D7/02;E21B43/00;E21B43/12;F04D9/00;F04D13/10;(IPC1-7):F04D9/04;B01D19/00
主分类号
F04D7/02
代理机构
代理人
主权项
地址
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