NO331167B1 - Lastkompensator og fremgangsmate for kompensering av en last opphengt fra en konstruksjon. - Google Patents

Lastkompensator og fremgangsmate for kompensering av en last opphengt fra en konstruksjon.

Info

Publication number
NO331167B1
NO331167B1 NO20041033A NO20041033A NO331167B1 NO 331167 B1 NO331167 B1 NO 331167B1 NO 20041033 A NO20041033 A NO 20041033A NO 20041033 A NO20041033 A NO 20041033A NO 331167 B1 NO331167 B1 NO 331167B1
Authority
NO
Norway
Prior art keywords
port
housing
load
piston
running tool
Prior art date
Application number
NO20041033A
Other languages
English (en)
Other versions
NO20041033L (no
Inventor
Brian L Eidem
Daniel Juhasz
Hans Van Rijzingen
George Boyadjieff
Original Assignee
Varco Int
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Varco Int filed Critical Varco Int
Publication of NO20041033L publication Critical patent/NO20041033L/no
Publication of NO331167B1 publication Critical patent/NO331167B1/no

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L27/00—Adjustable joints, Joints allowing movement
    • F16L27/12—Adjustable joints, Joints allowing movement allowing substantial longitudinal adjustment or movement
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
    • E21B19/02—Rod or cable suspensions
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
    • E21B19/02—Rod or cable suspensions
    • E21B19/06—Elevators, i.e. rod- or tube-gripping devices
    • E21B19/07—Slip-type elevators
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
    • E21B19/08—Apparatus for feeding the rods or cables; Apparatus for increasing or decreasing the pressure on the drilling tool; Apparatus for counterbalancing the weight of the rods
    • E21B19/086—Apparatus for feeding the rods or cables; Apparatus for increasing or decreasing the pressure on the drilling tool; Apparatus for counterbalancing the weight of the rods with a fluid-actuated cylinder
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
    • E21B19/14—Racks, ramps, troughs or bins, for holding the lengths of rod singly or connected; Handling between storage place and borehole
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
    • E21B19/16—Connecting or disconnecting pipe couplings or joints
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
    • E21B19/16—Connecting or disconnecting pipe couplings or joints
    • E21B19/165—Control or monitoring arrangements therefor

Landscapes

  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Fluid Mechanics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Earth Drilling (AREA)
  • Actuator (AREA)
  • Laser Beam Processing (AREA)
  • Supports For Pipes And Cables (AREA)
  • Load-Engaging Elements For Cranes (AREA)
  • Supplying Of Containers To The Packaging Station (AREA)
  • Stringed Musical Instruments (AREA)
  • Milling Processes (AREA)
  • Surgical Instruments (AREA)
NO20041033A 2001-09-14 2004-03-11 Lastkompensator og fremgangsmate for kompensering av en last opphengt fra en konstruksjon. NO331167B1 (no)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/952,868 US6691801B2 (en) 1999-03-05 2001-09-14 Load compensator for a pipe running tool
PCT/US2002/029446 WO2003025444A2 (en) 2001-09-14 2002-09-16 Load compensator for a pipe running tool

Publications (2)

Publication Number Publication Date
NO20041033L NO20041033L (no) 2004-04-14
NO331167B1 true NO331167B1 (no) 2011-10-24

Family

ID=25493303

Family Applications (1)

Application Number Title Priority Date Filing Date
NO20041033A NO331167B1 (no) 2001-09-14 2004-03-11 Lastkompensator og fremgangsmate for kompensering av en last opphengt fra en konstruksjon.

Country Status (6)

Country Link
US (1) US6691801B2 (no)
EP (1) EP1427663B1 (no)
AT (1) ATE394341T1 (no)
DE (1) DE60226459D1 (no)
NO (1) NO331167B1 (no)
WO (1) WO2003025444A2 (no)

Families Citing this family (84)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7100710B2 (en) * 1994-10-14 2006-09-05 Weatherford/Lamb, Inc. Methods and apparatus for cementing drill strings in place for one pass drilling and completion of oil and gas wells
US7228901B2 (en) * 1994-10-14 2007-06-12 Weatherford/Lamb, Inc. Method and apparatus for cementing drill strings in place for one pass drilling and completion of oil and gas wells
US7147068B2 (en) * 1994-10-14 2006-12-12 Weatherford / Lamb, Inc. Methods and apparatus for cementing drill strings in place for one pass drilling and completion of oil and gas wells
US7040420B2 (en) * 1994-10-14 2006-05-09 Weatherford/Lamb, Inc. Methods and apparatus for cementing drill strings in place for one pass drilling and completion of oil and gas wells
US7108084B2 (en) * 1994-10-14 2006-09-19 Weatherford/Lamb, Inc. Methods and apparatus for cementing drill strings in place for one pass drilling and completion of oil and gas wells
US6868906B1 (en) * 1994-10-14 2005-03-22 Weatherford/Lamb, Inc. Closed-loop conveyance systems for well servicing
US7866390B2 (en) * 1996-10-04 2011-01-11 Frank's International, Inc. Casing make-up and running tool adapted for fluid and cement control
US6742596B2 (en) * 2001-05-17 2004-06-01 Weatherford/Lamb, Inc. Apparatus and methods for tubular makeup interlock
US6536520B1 (en) * 2000-04-17 2003-03-25 Weatherford/Lamb, Inc. Top drive casing system
GB9815809D0 (en) * 1998-07-22 1998-09-16 Appleton Robert P Casing running tool
GB2340857A (en) * 1998-08-24 2000-03-01 Weatherford Lamb An apparatus for facilitating the connection of tubulars and alignment with a top drive
AU772327B2 (en) * 1998-12-22 2004-04-22 Weatherford Technology Holdings, Llc Procedures and equipment for profiling and jointing of pipes
US7188687B2 (en) * 1998-12-22 2007-03-13 Weatherford/Lamb, Inc. Downhole filter
GB2347441B (en) * 1998-12-24 2003-03-05 Weatherford Lamb Apparatus and method for facilitating the connection of tubulars using a top drive
GB2345074A (en) * 1998-12-24 2000-06-28 Weatherford Lamb Floating joint to facilitate the connection of tubulars using a top drive
US6896075B2 (en) * 2002-10-11 2005-05-24 Weatherford/Lamb, Inc. Apparatus and methods for drilling with casing
US7311148B2 (en) * 1999-02-25 2007-12-25 Weatherford/Lamb, Inc. Methods and apparatus for wellbore construction and completion
US7699121B2 (en) * 1999-03-05 2010-04-20 Varco I/P, Inc. Pipe running tool having a primary load path
EP1242711B1 (en) * 1999-12-22 2006-08-16 Weatherford/Lamb, Inc. Drilling bit for drilling while running casing
US7334650B2 (en) * 2000-04-13 2008-02-26 Weatherford/Lamb, Inc. Apparatus and methods for drilling a wellbore using casing
US7325610B2 (en) * 2000-04-17 2008-02-05 Weatherford/Lamb, Inc. Methods and apparatus for handling and drilling with tubulars or casing
GB0010378D0 (en) * 2000-04-28 2000-06-14 Bbl Downhole Tools Ltd Expandable apparatus for drift and reaming a borehole
GB2365463B (en) * 2000-08-01 2005-02-16 Renovus Ltd Drilling method
ITTO20010032A1 (it) * 2001-01-17 2002-07-17 Soilmec Spa Unita' di perforazione per pali di fondazione.
GB0206227D0 (en) * 2002-03-16 2002-05-01 Weatherford Lamb Bore-lining and drilling
US6994176B2 (en) * 2002-07-29 2006-02-07 Weatherford/Lamb, Inc. Adjustable rotating guides for spider or elevator
US6899186B2 (en) * 2002-12-13 2005-05-31 Weatherford/Lamb, Inc. Apparatus and method of drilling with casing
US7303022B2 (en) * 2002-10-11 2007-12-04 Weatherford/Lamb, Inc. Wired casing
US7128154B2 (en) * 2003-01-30 2006-10-31 Weatherford/Lamb, Inc. Single-direction cementing plug
USRE42877E1 (en) 2003-02-07 2011-11-01 Weatherford/Lamb, Inc. Methods and apparatus for wellbore construction and completion
CA2516649C (en) * 2003-02-27 2010-01-19 Weatherford/Lamb, Inc. Drill shoe
CA2683763C (en) * 2003-03-05 2013-01-29 Weatherford/Lamb, Inc. Full bore lined wellbores
CA2517978C (en) * 2003-03-05 2009-07-14 Weatherford/Lamb, Inc. Drilling with casing latch
US7503397B2 (en) * 2004-07-30 2009-03-17 Weatherford/Lamb, Inc. Apparatus and methods of setting and retrieving casing with drilling latch and bottom hole assembly
GB2428059B (en) * 2003-03-05 2007-10-10 Weatherford Lamb Method and apparatus for drilling with casing
US7874352B2 (en) 2003-03-05 2011-01-25 Weatherford/Lamb, Inc. Apparatus for gripping a tubular on a drilling rig
GB2415722B (en) * 2003-03-05 2007-12-05 Weatherford Lamb Casing running and drilling system
US7370707B2 (en) * 2003-04-04 2008-05-13 Weatherford/Lamb, Inc. Method and apparatus for handling wellbore tubulars
US7650944B1 (en) 2003-07-11 2010-01-26 Weatherford/Lamb, Inc. Vessel for well intervention
US7264067B2 (en) * 2003-10-03 2007-09-04 Weatherford/Lamb, Inc. Method of drilling and completing multiple wellbores inside a single caisson
NO329611B1 (no) * 2004-07-20 2010-11-22 Weatherford Lamb Fôringsmater.
US7694744B2 (en) * 2005-01-12 2010-04-13 Weatherford/Lamb, Inc. One-position fill-up and circulating tool and method
CA2533115C (en) * 2005-01-18 2010-06-08 Weatherford/Lamb, Inc. Top drive torque booster
WO2007024128A1 (en) * 2005-08-22 2007-03-01 Itrec B.V. Apparatus for gripping a downhole tubular
EP1808568B1 (en) * 2006-01-11 2009-05-27 Weatherford/Lamb, Inc. Stand compensator
CA2586317C (en) * 2006-04-27 2012-04-03 Weatherford/Lamb, Inc. Torque sub for use with top drive
US20070251700A1 (en) * 2006-04-28 2007-11-01 Mason David B Tubular running system
US7882902B2 (en) * 2006-11-17 2011-02-08 Weatherford/Lamb, Inc. Top drive interlock
US8356674B2 (en) * 2007-04-13 2013-01-22 National Oilwell Varco, L.P. Tubular running tool and methods of use
WO2008134581A2 (en) 2007-04-27 2008-11-06 Weatherford/Lamb, Inc. Apparatus and methods for tubular makeup interlock
KR100916667B1 (ko) * 2007-12-06 2009-09-08 인석신 천공기
DK2450524T3 (en) 2007-12-12 2015-09-28 Weatherford Technology Holdings Llc Upper drive
EP2584138B1 (en) 2008-05-02 2019-01-02 Weatherford Technology Holdings, LLC Apparatus and methods for wedge lock prevention
US8074711B2 (en) * 2008-06-26 2011-12-13 Canrig Drilling Technology Ltd. Tubular handling device and methods
US8833471B2 (en) 2010-08-09 2014-09-16 Weatherford/Lamb, Inc. Fill up tool
GB2509643B (en) * 2011-10-19 2018-09-26 Bp Exploration Operating Co Ltd Identifying forces in a well bore
CN103161409B (zh) * 2011-12-16 2016-08-17 盐城市华谊石油机械有限公司 液压式接箍报警器
US20130284433A1 (en) * 2012-04-27 2013-10-31 Canrig Drilling Technology Ltd. Force application reduction employing actuator
CA2830860C (en) * 2012-10-25 2020-10-27 Warrior Rig Ltd. Integrated casing drive
US9725968B2 (en) 2013-07-15 2017-08-08 Canrig Drilling Technology Ltd. Force application reduction employing actuator and thrust bearing
US9382768B2 (en) 2013-12-17 2016-07-05 Offshore Energy Services, Inc. Tubular handling system and method
US10465457B2 (en) 2015-08-11 2019-11-05 Weatherford Technology Holdings, Llc Tool detection and alignment for tool installation
US10626683B2 (en) 2015-08-11 2020-04-21 Weatherford Technology Holdings, Llc Tool identification
US10428602B2 (en) 2015-08-20 2019-10-01 Weatherford Technology Holdings, Llc Top drive torque measurement device
US10323484B2 (en) 2015-09-04 2019-06-18 Weatherford Technology Holdings, Llc Combined multi-coupler for a top drive and a method for using the same for constructing a wellbore
CA2997615A1 (en) 2015-09-08 2017-03-16 Weatherford Technology Holdings, Llc Genset for top drive unit
US10590744B2 (en) 2015-09-10 2020-03-17 Weatherford Technology Holdings, Llc Modular connection system for top drive
US10167671B2 (en) 2016-01-22 2019-01-01 Weatherford Technology Holdings, Llc Power supply for a top drive
US11162309B2 (en) * 2016-01-25 2021-11-02 Weatherford Technology Holdings, Llc Compensated top drive unit and elevator links
US10704364B2 (en) 2017-02-27 2020-07-07 Weatherford Technology Holdings, Llc Coupler with threaded connection for pipe handler
US10954753B2 (en) 2017-02-28 2021-03-23 Weatherford Technology Holdings, Llc Tool coupler with rotating coupling method for top drive
US10480247B2 (en) 2017-03-02 2019-11-19 Weatherford Technology Holdings, Llc Combined multi-coupler with rotating fixations for top drive
US11131151B2 (en) 2017-03-02 2021-09-28 Weatherford Technology Holdings, Llc Tool coupler with sliding coupling members for top drive
US10443326B2 (en) 2017-03-09 2019-10-15 Weatherford Technology Holdings, Llc Combined multi-coupler
US10247246B2 (en) 2017-03-13 2019-04-02 Weatherford Technology Holdings, Llc Tool coupler with threaded connection for top drive
US10711574B2 (en) 2017-05-26 2020-07-14 Weatherford Technology Holdings, Llc Interchangeable swivel combined multicoupler
US10544631B2 (en) 2017-06-19 2020-01-28 Weatherford Technology Holdings, Llc Combined multi-coupler for top drive
US10526852B2 (en) 2017-06-19 2020-01-07 Weatherford Technology Holdings, Llc Combined multi-coupler with locking clamp connection for top drive
US10527104B2 (en) 2017-07-21 2020-01-07 Weatherford Technology Holdings, Llc Combined multi-coupler for top drive
US10355403B2 (en) 2017-07-21 2019-07-16 Weatherford Technology Holdings, Llc Tool coupler for use with a top drive
US10745978B2 (en) 2017-08-07 2020-08-18 Weatherford Technology Holdings, Llc Downhole tool coupling system
US11047175B2 (en) 2017-09-29 2021-06-29 Weatherford Technology Holdings, Llc Combined multi-coupler with rotating locking method for top drive
US11441412B2 (en) 2017-10-11 2022-09-13 Weatherford Technology Holdings, Llc Tool coupler with data and signal transfer methods for top drive
CN114622867B (zh) * 2022-03-21 2023-03-21 奥宸科技有限公司 油井抽油杆多功能保护装置

Family Cites Families (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3193116A (en) 1962-11-23 1965-07-06 Exxon Production Research Co System for removing from or placing pipe in a well bore
US3653523A (en) * 1969-07-24 1972-04-04 Case Co J I Load compensating hydraulic circuit
US3960360A (en) * 1972-06-27 1976-06-01 Thomas L. Elliston Internally pressurized load supporting mast
US3839976A (en) * 1972-10-12 1974-10-08 Offshore Co Constant force device
US3938770A (en) * 1974-10-07 1976-02-17 Caterpillar Tractor Co. Method and apparatus for hydraulically suspending a vehicle seat
GB2026421A (en) * 1978-06-10 1980-02-06 Morrison A Mooring line compensation system
FR2523635A1 (fr) 1982-03-17 1983-09-23 Bretagne Atel Chantiers Dispositif pour le montage d'un train de tiges de forage et pour son entrainement en rotation et translation
US4449596A (en) 1982-08-03 1984-05-22 Varco International, Inc. Drilling of wells with top drive unit
US4529045A (en) 1984-03-26 1985-07-16 Varco International, Inc. Top drive drilling unit with rotatable pipe support
US4605077A (en) 1984-12-04 1986-08-12 Varco International, Inc. Top drive drilling systems
US4709766A (en) 1985-04-26 1987-12-01 Varco International, Inc. Well pipe handling machine
US4765401A (en) 1986-08-21 1988-08-23 Varco International, Inc. Apparatus for handling well pipe
US4781359A (en) 1987-09-23 1988-11-01 National-Oilwell Sub assembly for a swivel
CA1302391C (en) 1987-10-09 1992-06-02 Keith M. Haney Compact casing tongs for use on top head drive earth drilling machine
US4791997A (en) 1988-01-07 1988-12-20 Vetco Gray Inc. Pipe handling apparatus and method
US5036927A (en) 1989-03-10 1991-08-06 W-N Apache Corporation Apparatus for gripping a down hole tubular for rotation
GB9425499D0 (en) 1994-12-17 1995-02-15 Weatherford Lamb Method and apparatus for connecting and disconnecting tubulars
US5785132A (en) 1996-02-29 1998-07-28 Richardson; Allan S. Backup tool and method for preventing rotation of a drill string
GB2315696A (en) 1996-07-31 1998-02-11 Weatherford Lamb Mechanism for connecting and disconnecting tubulars
FR2753188B1 (fr) * 1996-09-10 1998-12-11 Reel Sa Procede pour reguler le fonctionnement d'un dispositif compensateur de charge et compensateur de charge mettant en oeuvre ce procede
NO302774B1 (no) 1996-09-13 1998-04-20 Hitec Asa Anordning til bruk ved skjöting av fôringsrör
WO1999003000A1 (en) 1997-07-09 1999-01-21 Massachusetts Institute Of Technology Integrated flight information and control system
CA2363178C (en) 1999-03-05 2008-06-03 Varco International, Inc. Pipe running tool

Also Published As

Publication number Publication date
EP1427663A2 (en) 2004-06-16
US6691801B2 (en) 2004-02-17
WO2003025444A2 (en) 2003-03-27
EP1427663B1 (en) 2008-05-07
DE60226459D1 (de) 2008-06-19
NO20041033L (no) 2004-04-14
EP1427663A4 (en) 2005-08-17
US20020043403A1 (en) 2002-04-18
WO2003025444A3 (en) 2003-05-30
ATE394341T1 (de) 2008-05-15

Similar Documents

Publication Publication Date Title
NO331167B1 (no) Lastkompensator og fremgangsmate for kompensering av en last opphengt fra en konstruksjon.
DE60136493D1 (de) Beatmungsgerät
MX2007007417A (es) Turbina eolica que comprende un sistema de control con redundancia multiplicada y metodo de control de una turbina eolica.
MXPA02006665A (es) Enchufe y sistema instrumentado de cementacion.
TW200512322A (en) Method and equipment for AiN-monocrystall production with gas-pervious crucible-wall
BRPI0510553A (pt) dispositivo, método e rede de comunicação sem fios
EP1356788A3 (en) Modular aneurysm repair system
DE60100098T2 (de) Regler, kabinendruckregelsystem und -verfahren
MY135711A (en) Osmotic delivery system with early zero order push power engine
TR199901666A3 (tr) Bir sivini basincini ayarlama yöntemi.
GB2441079A (en) Lateral control system
GB2447801A (en) Commissioning of elevator hallway fixtures in a destination entry group elevator system
GB2401627A (en) System and method for a failsafe control of a downhole valve in the event of tubing rupture
GB2405432A (en) Expansion method
ATE290188T1 (de) Gaszuführvorrichtung
NO20032190L (no) Beskyttende element til et stigerörsegment
GB2394243A (en) Apparatus for and a method of radial expansion of a tubular member
NO20016075L (no) Styring av ringromsfluid i fôrede rörsystemer for å forbedre komponentenes mekaniske egenskaper og helheten i strömningen
GB0224654D0 (en) Apparatus
DE69809430D1 (de) Sicherheitsventil
DE50308813D1 (de) Hydraulisches zweikreisbremssystem
ATE305657T1 (de) Überwachung im bohrloch und durchfluss- regelsystem
DK1348666T3 (da) Indretning til oliefremföring i udligningsledningen i en kranudligger med indstilleligt kranudlæg
CN220870615U (zh) 一种用于高楼层、大跨度应急救援的气体补给设备
NO20060355L (no) Ventilasjonsaggregat

Legal Events

Date Code Title Description
MM1K Lapsed by not paying the annual fees