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发明名称
APPARATUS FOR AUTOMATIC EMERGENCY CLOSING OF PIPELINE GATE VALVES BY MEANS OF THE MEDIUM FLOWING THROUGH SUCH PIPELINES
摘要
申请公布号
PL113667(B2)
申请公布日期
1980.12.31
申请号
PL19770198896
申请日期
1977.06.14
申请人
发明人
分类号
F16K;F16K31/53;(IPC1-7):F16K31/53
主分类号
F16K
代理机构
代理人
主权项
地址
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