Stiger÷r til bruk ved boring eller klargj÷ring av en undervanns br÷nn,申请号NO19980002189-传众专利搜索

首页产品黄页商标征信

会员服务注册登录

法人/股东/高管

发明名称	Stiger÷r til bruk ved boring eller klargj÷ring av en undervanns br÷nn
摘要
申请公布号	NO982189(D0)	申请公布日期	1998.05.13
申请号	NO19980002189	申请日期	1998.05.13
申请人	DRIL-QUIP INC	发明人	WATKINS, BRUCE J.
分类号	E21B17/01;E21B17/08;(IPC1-7):E21B	主分类号	E21B17/01
代理机构		代理人
主权项
地址

您可能感兴趣的专利

ULTRASOUND PULSATION RATE METER

DEVICE FOR MEASURING HEAT-PROTECTING COATING ABLATION

MELTING TEMPERATURE MEASURING DEVICE

DOUBLE MONOCHROMATOR WITH SUBTRACTION OF VARIANCE

DIGITAL METERING DEVICE FOR STRAIN-GAUGE BALANCE

SMALL-BORE SPORTS GUN

SLIDE ILLUMINATING DEVICE

MECHANICAL POWER AMPLIFIER

DYNAMIC DAMPER OF TORSIONAL OSCILLATIONS

PERCUSSIVE-ACTION SHOCK ABSORBER

ACOUSTIC BURNER

METHOD OF ASSEMBLING THREADED CONNECTION

COAL MINING MACHINE CATCHER

CUTTER-LOADER WORK-PERFORMING MEMBER

WORK-PERFORMING MEMBER

STOPING CUTTER-LOADER ACTUATING MEMBER

THREE-LAYER GUARDING PANEL

METHOD OF ERECTING STOREHOUSE IN SINKING SOIL