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发明名称
BROENNSIKKERHETSVENTILSYSTEM.
摘要
申请公布号
NO793632(A)
申请公布日期
1980.05.14
申请号
NO19790003632
申请日期
1979.11.12
申请人
OTIS ENGINEERING CORP,
发明人
YONKER, JOHN H.,;PEARCE, JOSEPH L.,;DEATON, THOMAS M.,;BILLS, DAVID,
分类号
E21B34/00;E21B34/10;(IPC1-7):E21B/
主分类号
E21B34/00
代理机构
代理人
主权项
地址
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