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发明名称
PNEUMATISCH BETAETIGBARE GEWINDESCHUTZVORRICHTUNG
摘要
申请公布号
DE2835726(A1)
申请公布日期
1979.07.05
申请号
DE19782835726
申请日期
1978.08.16
申请人
WEATHERFORD/LAMB,INC.
发明人
PRICE FOWLER,WILLIAM
分类号
F16B37/14;B65D59/00;E21B17/00;E21B17/10;(IPC1-7):F16L57/00
主分类号
F16B37/14
代理机构
代理人
主权项
地址
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