US4735859A
(en)
*
|
1985-12-05 |
1988-04-05 |
Tokyo Yogyo Kabushiki Kaisha |
Magnesia aggregate for refractory article and method for manufacturing same
|
GB2199822B
(en)
*
|
1987-01-17 |
1990-10-10 |
Rolls Royce Plc |
Ceramic core material and method of enhancing its leaching rate.
|
US4796701A
(en)
*
|
1987-07-30 |
1989-01-10 |
Dowell Schlumberger Incorporated |
Pyrolytic carbon coating of media improves gravel packing and fracturing capabilities
|
US4838351A
(en)
*
|
1987-08-27 |
1989-06-13 |
Mobil Oil Corp. |
Proppant for use in viscous oil recovery
|
US4869960A
(en)
*
|
1987-09-17 |
1989-09-26 |
Minnesota Mining And Manufacturing Company |
Epoxy novolac coated ceramic particulate
|
US4923714A
(en)
*
|
1987-09-17 |
1990-05-08 |
Minnesota Mining And Manufacturing Company |
Novolac coated ceramic particulate
|
US4892147A
(en)
*
|
1987-12-28 |
1990-01-09 |
Mobil Oil Corporation |
Hydraulic fracturing utilizing a refractory proppant
|
US4921820A
(en)
*
|
1989-01-17 |
1990-05-01 |
Norton-Alcoa Proppants |
Lightweight proppant for oil and gas wells and methods for making and using same
|
US4921821A
(en)
*
|
1988-08-02 |
1990-05-01 |
Norton-Alcoa Proppants |
Lightweight oil and gas well proppants and methods for making and using same
|
US5030603A
(en)
*
|
1988-08-02 |
1991-07-09 |
Norton-Alcoa |
Lightweight oil and gas well proppants
|
US4937127A
(en)
*
|
1988-09-07 |
1990-06-26 |
Minnesota Mining And Manufacturing Company |
Skid-resistant pavement markings
|
US4904709A
(en)
*
|
1988-09-28 |
1990-02-27 |
Polymer Plastics Corp. |
Textured exterior surface treatment
|
US4977116A
(en)
*
|
1989-01-17 |
1990-12-11 |
Norton-Alcoa |
Method for making lightweight proppant for oil and gas wells
|
USRE34371E
(en)
*
|
1989-01-17 |
1993-09-07 |
Norton-Alcoa |
Lightweight proppant for oil and gas wells and methods for making and using same
|
US5188175A
(en)
*
|
1989-08-14 |
1993-02-23 |
Carbo Ceramics Inc. |
Method of fracturing a subterranean formation with a lightweight propping agent
|
US5165996A
(en)
*
|
1990-05-08 |
1992-11-24 |
E. I. Du Pont De Nemours And Company |
Coated refractory compositions and method for preparing the same
|
US5195843A
(en)
*
|
1991-05-30 |
1993-03-23 |
Minnesota Mining And Manufacturing Company |
Ceramic foam body having closed cell structure
|
US5211238A
(en)
*
|
1991-11-08 |
1993-05-18 |
Atlantic Richfield Company |
Method using micro-sphere cement slurries for deviated wells
|
US7426961B2
(en)
*
|
2002-09-03 |
2008-09-23 |
Bj Services Company |
Method of treating subterranean formations with porous particulate materials
|
US6054059A
(en)
*
|
1997-02-27 |
2000-04-25 |
Kinetico Incorporated |
Use of a ceramic metal oxide filter whose selection depends upon the Ph of the feed liquid and subsequent backwash using a liquid having a different Ph
|
US6406789B1
(en)
|
1998-07-22 |
2002-06-18 |
Borden Chemical, Inc. |
Composite proppant, composite filtration media and methods for making and using same
|
DE69930268T2
(de)
|
1998-07-22 |
2006-07-27 |
Hexion Specialty Chemicals, Inc., Columbus |
Stützmittelverbund, verbundstoff-filtrationsmedium und verfahren zu deren herstellung und verwendung
|
US6582819B2
(en)
|
1998-07-22 |
2003-06-24 |
Borden Chemical, Inc. |
Low density composite proppant, filtration media, gravel packing media, and sports field media, and methods for making and using same
|
US6372678B1
(en)
|
2000-09-28 |
2002-04-16 |
Fairmount Minerals, Ltd |
Proppant composition for gas and oil well fracturing
|
US6528446B1
(en)
|
2000-10-03 |
2003-03-04 |
Kinetico Incorporated |
Process for making clay spheroids
|
JP4598303B2
(ja)
*
|
2000-11-24 |
2010-12-15 |
石原産業株式会社 |
顆粒状無機質充填剤及びその製造方法並びに該顆粒状無機質充填剤を配合してなる樹脂組成物
|
US6605557B2
(en)
|
2001-05-04 |
2003-08-12 |
Saint-Gobain Norpro Corporation |
Halogen-resistant media
|
MXPA03010460A
(es)
|
2001-05-17 |
2004-12-06 |
Saint Gobain Ceramics |
Medios de ceramica.
|
MXPA04003704A
(es)
*
|
2001-10-22 |
2004-07-30 |
Halox Technologies Inc |
Proceso y aparato electrolitico.
|
US20030195121A1
(en)
*
|
2002-04-11 |
2003-10-16 |
Fitzgerald Michael Dylon |
Sulphur based proppants and process therefor
|
US7241435B2
(en)
*
|
2002-09-30 |
2007-07-10 |
Halox Technologies, Inc. |
System and process for producing halogen oxides
|
US6913741B2
(en)
*
|
2002-09-30 |
2005-07-05 |
Halox Technologies, Inc. |
System and process for producing halogen oxides
|
US7036591B2
(en)
*
|
2002-10-10 |
2006-05-02 |
Carbo Ceramics Inc. |
Low density proppant
|
US20040083637A1
(en)
*
|
2002-11-05 |
2004-05-06 |
Sands Joseph E. |
Fifle/gun steady shot sling and method of use of same
|
US6780804B2
(en)
*
|
2003-01-24 |
2004-08-24 |
Saint-Gobain Ceramics & Plastics, Inc. |
Extended particle size distribution ceramic fracturing proppant
|
CA2644213C
(fr)
|
2003-03-18 |
2013-10-15 |
Bj Services Company |
Methode de traitement de formations souterraines faisant appel a des agents de soutenement de differentes densites ou a des etages sequentiels d'agent de soutenement
|
RU2235703C9
(ru)
*
|
2003-05-12 |
2019-01-15 |
Общество С Ограниченной Ответственностью "Форэс" |
Способ изготовления керамических расклинивателей нефтяных скважин
|
US7179363B2
(en)
*
|
2003-08-12 |
2007-02-20 |
Halox Technologies, Inc. |
Electrolytic process for generating chlorine dioxide
|
US8541051B2
(en)
|
2003-08-14 |
2013-09-24 |
Halliburton Energy Services, Inc. |
On-the fly coating of acid-releasing degradable material onto a particulate
|
US7833944B2
(en)
|
2003-09-17 |
2010-11-16 |
Halliburton Energy Services, Inc. |
Methods and compositions using crosslinked aliphatic polyesters in well bore applications
|
US7674753B2
(en)
|
2003-09-17 |
2010-03-09 |
Halliburton Energy Services, Inc. |
Treatment fluids and methods of forming degradable filter cakes comprising aliphatic polyester and their use in subterranean formations
|
US7829507B2
(en)
|
2003-09-17 |
2010-11-09 |
Halliburton Energy Services Inc. |
Subterranean treatment fluids comprising a degradable bridging agent and methods of treating subterranean formations
|
US7476307B2
(en)
|
2003-10-10 |
2009-01-13 |
Halox Technologies, Inc. |
Systems and methods for generating chlorine dioxide
|
US7488457B2
(en)
*
|
2003-10-10 |
2009-02-10 |
Halox Technologies, Inc. |
Systems and methods for generating chlorine dioxide
|
US7195068B2
(en)
|
2003-12-15 |
2007-03-27 |
Halliburton Energy Services, Inc. |
Filter cake degradation compositions and methods of use in subterranean operations
|
US20060272819A1
(en)
*
|
2004-01-16 |
2006-12-07 |
Halliburton Energy Services, Inc. |
Methods of preparing settable fluids comprising particle-size distribution-adjusting agents, and associated methods
|
WO2005099859A1
(fr)
*
|
2004-04-06 |
2005-10-27 |
Kinetico Incorporated |
Milieu filtrant flottant
|
CA2561031A1
(fr)
*
|
2004-04-12 |
2005-10-27 |
Michael Charles Vincent |
Revetement et/ou traitement d'agents de soutenement de fracturation hydraulique pour ameliorer la mouillabilite, la lubrification des agents de soutenement, et/ou pour reduire lesdommages dus aux fluides de fracturation et aux fluides de reservoir
|
US7387752B2
(en)
|
2004-07-09 |
2008-06-17 |
Carbo Ceramics Inc. |
Method for producing solid ceramic particles using a spray drying process
|
US7621334B2
(en)
|
2005-04-29 |
2009-11-24 |
Halliburton Energy Services, Inc. |
Acidic treatment fluids comprising scleroglucan and/or diutan and associated methods
|
US7547665B2
(en)
|
2005-04-29 |
2009-06-16 |
Halliburton Energy Services, Inc. |
Acidic treatment fluids comprising scleroglucan and/or diutan and associated methods
|
US7475728B2
(en)
|
2004-07-23 |
2009-01-13 |
Halliburton Energy Services, Inc. |
Treatment fluids and methods of use in subterranean formations
|
US20060032633A1
(en)
*
|
2004-08-10 |
2006-02-16 |
Nguyen Philip D |
Methods and compositions for carrier fluids comprising water-absorbent fibers
|
JP2008513553A
(ja)
|
2004-09-14 |
2008-05-01 |
カーボ、サラミクス、インク |
焼結球状ペレット
|
US7413017B2
(en)
|
2004-09-24 |
2008-08-19 |
Halliburton Energy Services, Inc. |
Methods and compositions for inducing tip screenouts in frac-packing operations
|
US7553800B2
(en)
|
2004-11-17 |
2009-06-30 |
Halliburton Energy Services, Inc. |
In-situ filter cake degradation compositions and methods of use in subterranean formations
|
US7648946B2
(en)
|
2004-11-17 |
2010-01-19 |
Halliburton Energy Services, Inc. |
Methods of degrading filter cakes in subterranean formations
|
US20080009423A1
(en)
|
2005-01-31 |
2008-01-10 |
Halliburton Energy Services, Inc. |
Self-degrading fibers and associated methods of use and manufacture
|
US7353876B2
(en)
|
2005-02-01 |
2008-04-08 |
Halliburton Energy Services, Inc. |
Self-degrading cement compositions and methods of using self-degrading cement compositions in subterranean formations
|
US7497258B2
(en)
|
2005-02-01 |
2009-03-03 |
Halliburton Energy Services, Inc. |
Methods of isolating zones in subterranean formations using self-degrading cement compositions
|
US8598092B2
(en)
|
2005-02-02 |
2013-12-03 |
Halliburton Energy Services, Inc. |
Methods of preparing degradable materials and methods of use in subterranean formations
|
US7491444B2
(en)
*
|
2005-02-04 |
2009-02-17 |
Oxane Materials, Inc. |
Composition and method for making a proppant
|
MX2007009374A
(es)
|
2005-02-04 |
2007-11-15 |
Oxane Materials Inc |
Una composicion y un metodo para hacer un entibador.
|
US8012533B2
(en)
|
2005-02-04 |
2011-09-06 |
Oxane Materials, Inc. |
Composition and method for making a proppant
|
US7867613B2
(en)
|
2005-02-04 |
2011-01-11 |
Oxane Materials, Inc. |
Composition and method for making a proppant
|
US7506689B2
(en)
|
2005-02-22 |
2009-03-24 |
Halliburton Energy Services, Inc. |
Fracturing fluids comprising degradable diverting agents and methods of use in subterranean formations
|
WO2006094074A2
(fr)
|
2005-03-01 |
2006-09-08 |
Carbo Ceramics Inc. |
Procedes de production de particules frittees a partir d'un coulis d'une matiere brute contenant de l'alumine
|
US7608567B2
(en)
|
2005-05-12 |
2009-10-27 |
Halliburton Energy Services, Inc. |
Degradable surfactants and methods for use
|
US7528096B2
(en)
|
2005-05-12 |
2009-05-05 |
Bj Services Company |
Structured composite compositions for treatment of subterranean wells
|
US7662753B2
(en)
|
2005-05-12 |
2010-02-16 |
Halliburton Energy Services, Inc. |
Degradable surfactants and methods for use
|
US20070023187A1
(en)
*
|
2005-07-29 |
2007-02-01 |
Carbo Ceramics Inc. |
Sintered spherical pellets useful for gas and oil well proppants
|
US20070037697A1
(en)
*
|
2005-08-11 |
2007-02-15 |
Dimascio Felice |
High surface area ceramic catalysts and the manufacture thereof
|
US7484564B2
(en)
|
2005-08-16 |
2009-02-03 |
Halliburton Energy Services, Inc. |
Delayed tackifying compositions and associated methods involving controlling particulate migration
|
US7595280B2
(en)
|
2005-08-16 |
2009-09-29 |
Halliburton Energy Services, Inc. |
Delayed tackifying compositions and associated methods involving controlling particulate migration
|
DE102005045180B4
(de)
|
2005-09-21 |
2007-11-15 |
Center For Abrasives And Refractories Research & Development C.A.R.R.D. Gmbh |
Kugelförmige Korundkörner auf Basis von geschmolzenem Aluminiumoxid sowie ein Verfahren zu ihrer Herstellung
|
US7713916B2
(en)
|
2005-09-22 |
2010-05-11 |
Halliburton Energy Services, Inc. |
Orthoester-based surfactants and associated methods
|
CN101291885A
(zh)
*
|
2005-10-19 |
2008-10-22 |
卡博陶粒有限公司 |
低热膨胀铸造介质
|
US7461697B2
(en)
|
2005-11-21 |
2008-12-09 |
Halliburton Energy Services, Inc. |
Methods of modifying particulate surfaces to affect acidic sites thereon
|
US20070173416A1
(en)
|
2006-01-20 |
2007-07-26 |
Halliburton Energy Services, Inc. |
Well treatment compositions for use in acidizing a well
|
US7608566B2
(en)
|
2006-03-30 |
2009-10-27 |
Halliburton Energy Services, Inc. |
Degradable particulates as friction reducers for the flow of solid particulates and associated methods of use
|
US7828998B2
(en)
|
2006-07-11 |
2010-11-09 |
Carbo Ceramics, Inc. |
Material having a controlled microstructure, core-shell macrostructure, and method for its fabrication
|
US8329621B2
(en)
|
2006-07-25 |
2012-12-11 |
Halliburton Energy Services, Inc. |
Degradable particulates and associated methods
|
EP1884549A1
(fr)
*
|
2006-08-04 |
2008-02-06 |
ILEM Research and Development Establishment |
Agent de soutènement en céramique avec poids spécifique faible
|
EP1884550A1
(fr)
*
|
2006-08-04 |
2008-02-06 |
ILEM Research and Development Establishment |
Compositions de précurseurs pour agents de soutènement en céramique
|
EA015865B1
(ru)
|
2006-08-30 |
2011-12-30 |
Карбо Керамикс Инк. |
Проппант низкой насыпной плотности и способы его изготовления
|
US8562900B2
(en)
|
2006-09-01 |
2013-10-22 |
Imerys |
Method of manufacturing and using rod-shaped proppants and anti-flowback additives
|
US7455112B2
(en)
|
2006-09-29 |
2008-11-25 |
Halliburton Energy Services, Inc. |
Methods and compositions relating to the control of the rates of acid-generating compounds in acidizing operations
|
US7686080B2
(en)
|
2006-11-09 |
2010-03-30 |
Halliburton Energy Services, Inc. |
Acid-generating fluid loss control additives and associated methods
|
RU2006146962A
(ru)
*
|
2006-12-28 |
2008-07-10 |
Шлюмбергер Текнолоджи Б.В. (Nl) |
Способ предотвращения выноса проппанта из трещины и гравийный фильтр
|
US8220548B2
(en)
|
2007-01-12 |
2012-07-17 |
Halliburton Energy Services Inc. |
Surfactant wash treatment fluids and associated methods
|
CN101657516B
(zh)
*
|
2007-03-12 |
2015-07-22 |
圣戈本陶瓷及塑料股份有限公司 |
高强度陶瓷元件及其制造方法和使用方法
|
US8445101B2
(en)
|
2007-03-21 |
2013-05-21 |
Ashtech Industries, Llc |
Sound attenuation building material and system
|
US20090239429A1
(en)
|
2007-03-21 |
2009-09-24 |
Kipp Michael D |
Sound Attenuation Building Material And System
|
CN103898996A
(zh)
|
2007-03-21 |
2014-07-02 |
阿什工业技术有限责任公司 |
结合微粒基质的实用材料
|
RU2351632C2
(ru)
*
|
2007-03-22 |
2009-04-10 |
Шлюмбергер Текнолоджи Б.В. |
Проппант и способ его изготовления
|
RU2346910C1
(ru)
*
|
2007-04-20 |
2009-02-20 |
Шлюмбергер Текнолоджи Б.В. |
Керамический проппант с низкой плотностью и способ его приготовления
|
EA201000114A1
(ru)
|
2007-07-06 |
2010-06-30 |
Карбо Керамикс Инк. |
Проппант и способ гидравлического разрыва пласта (варианты)
|
US7950455B2
(en)
|
2008-01-14 |
2011-05-31 |
Baker Hughes Incorporated |
Non-spherical well treating particulates and methods of using the same
|
US8283033B2
(en)
*
|
2008-03-21 |
2012-10-09 |
Lan Feiming |
Ceramic ball comprising a core portion made of kaolinite and feldspar
|
US8006760B2
(en)
|
2008-04-10 |
2011-08-30 |
Halliburton Energy Services, Inc. |
Clean fluid systems for partial monolayer fracturing
|
US7906464B2
(en)
*
|
2008-05-13 |
2011-03-15 |
Halliburton Energy Services, Inc. |
Compositions and methods for the removal of oil-based filtercakes
|
US7833943B2
(en)
|
2008-09-26 |
2010-11-16 |
Halliburton Energy Services Inc. |
Microemulsifiers and methods of making and using same
|
US8205675B2
(en)
|
2008-10-09 |
2012-06-26 |
Baker Hughes Incorporated |
Method of enhancing fracture conductivity
|
US8591677B2
(en)
|
2008-11-04 |
2013-11-26 |
Ashtech Industries, Llc |
Utility materials incorporating a microparticle matrix formed with a setting agent
|
US8082992B2
(en)
|
2009-07-13 |
2011-12-27 |
Halliburton Energy Services, Inc. |
Methods of fluid-controlled geometry stimulation
|
KR20120105536A
(ko)
*
|
2009-12-22 |
2012-09-25 |
옥세인 머티리얼스, 인크. |
유리?세라믹 물질을 갖는 프로판트
|
AU2010336912B2
(en)
|
2009-12-31 |
2013-12-12 |
Halliburton Energy Services, Inc |
Ceramic particles with controlled pore and/or microsphere placement and/or size and method of making same
|
BR112012018599A2
(pt)
|
2010-01-29 |
2017-11-28 |
Oxane Mat Inc |
método para produzir um propante, propante, nétodo para propagar fraturas de formação subterrânea aberta, método para tratar uma zona de produção subterrânea penetrada por um furo de poço, método para produzir um composto vitrocerâmico, material, composto vitrocerâmico e matriz
|
PL2534113T3
(pl)
|
2010-02-10 |
2018-05-30 |
Saint-Gobain Ceramics & Plastics Inc. |
Cząstki ceramiczne i sposób ich wytwarzania
|
CN102191031B
(zh)
*
|
2010-03-19 |
2013-04-24 |
中国石油天然气股份有限公司 |
一种制造油田专用石英压裂砂的生产方法
|
BR112013004813A2
(pt)
*
|
2010-09-03 |
2016-05-31 |
Proclease Llc |
dispositivo de purificação de água e kit de meio de purificação de água
|
US9051511B2
(en)
|
2010-12-08 |
2015-06-09 |
Joseph Buford PARSE |
Multiple component neutrally buoyant proppant
|
WO2012078847A2
(fr)
|
2010-12-08 |
2012-06-14 |
Joseph Buford Parse |
Agent de soutènement à flottabilité neutre et à un seul composant
|
US9725645B2
(en)
|
2011-05-03 |
2017-08-08 |
Preferred Technology, Llc |
Proppant with composite coating
|
US9290690B2
(en)
|
2011-05-03 |
2016-03-22 |
Preferred Technology, Llc |
Coated and cured proppants
|
US8763700B2
(en)
|
2011-09-02 |
2014-07-01 |
Robert Ray McDaniel |
Dual function proppants
|
RU2476476C2
(ru)
*
|
2011-06-10 |
2013-02-27 |
Общество С Ограниченной Ответственностью "Форэс" |
Способ изготовления керамического проппанта и проппант
|
US9920610B2
(en)
|
2012-06-26 |
2018-03-20 |
Baker Hughes, A Ge Company, Llc |
Method of using diverter and proppant mixture
|
US10041327B2
(en)
|
2012-06-26 |
2018-08-07 |
Baker Hughes, A Ge Company, Llc |
Diverting systems for use in low temperature well treatment operations
|
US9033040B2
(en)
|
2011-12-16 |
2015-05-19 |
Baker Hughes Incorporated |
Use of composite of lightweight hollow core having adhered or embedded cement in cementing a well
|
US9422719B2
(en)
|
2011-12-29 |
2016-08-23 |
Certainteed Corporation |
Roofing granules comprising base particles that are sintered and have an initial reflectance of at least 0.25
|
US9562187B2
(en)
|
2012-01-23 |
2017-02-07 |
Preferred Technology, Llc |
Manufacture of polymer coated proppants
|
US11111766B2
(en)
|
2012-06-26 |
2021-09-07 |
Baker Hughes Holdings Llc |
Methods of improving hydraulic fracture network
|
MX356996B
(es)
|
2012-06-26 |
2018-06-22 |
Baker Hughes Inc |
Metodos para mejorar la red de fracturas hidraulicas.
|
US10988678B2
(en)
|
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|
WO2014004689A2
(fr)
|
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2014-01-03 |
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|
MX2015001526A
(es)
|
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2015-04-08 |
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|
US9429006B2
(en)
|
2013-03-01 |
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|
US9518214B2
(en)
|
2013-03-15 |
2016-12-13 |
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|
CA2849415C
(fr)
|
2013-04-24 |
2017-02-28 |
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|
US10100247B2
(en)
|
2013-05-17 |
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|
RU2681011C2
(ru)
|
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2019-03-01 |
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|
WO2016183313A1
(fr)
|
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|
US9862881B2
(en)
|
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2018-01-09 |
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|
CN105859168B
(zh)
*
|
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|
DE102016208141B4
(de)
*
|
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|
US11208591B2
(en)
|
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|
US10696896B2
(en)
|
2016-11-28 |
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|
CN112512994A
(zh)
*
|
2018-06-29 |
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|
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(zh)
*
|
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|