CA2205002C - Heat exchange apparatus and process - Google Patents

Heat exchange apparatus and process Download PDF

Info

Publication number
CA2205002C
CA2205002C CA002205002A CA2205002A CA2205002C CA 2205002 C CA2205002 C CA 2205002C CA 002205002 A CA002205002 A CA 002205002A CA 2205002 A CA2205002 A CA 2205002A CA 2205002 C CA2205002 C CA 2205002C
Authority
CA
Canada
Prior art keywords
heat exchange
zone
process fluid
tubes
tube
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
CA002205002A
Other languages
English (en)
French (fr)
Other versions
CA2205002A1 (en
Inventor
Michael David Dunne
Stephen James O'nien
Peter William Farnell
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Johnson Matthey PLC
Original Assignee
Johnson Matthey PLC
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 Johnson Matthey PLC filed Critical Johnson Matthey PLC
Publication of CA2205002A1 publication Critical patent/CA2205002A1/en
Application granted granted Critical
Publication of CA2205002C publication Critical patent/CA2205002C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
    • F28F9/02—Header boxes; End plates
    • F28F9/026—Header boxes; End plates with static flow control means, e.g. with means for uniformly distributing heat exchange media into conduits
    • F28F9/027—Header boxes; End plates with static flow control means, e.g. with means for uniformly distributing heat exchange media into conduits in the form of distribution pipes
    • F28F9/0275—Header boxes; End plates with static flow control means, e.g. with means for uniformly distributing heat exchange media into conduits in the form of distribution pipes with multiple branch pipes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
    • B01J8/02—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with stationary particles, e.g. in fixed beds
    • B01J8/06—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with stationary particles, e.g. in fixed beds in tube reactors; the solid particles being arranged in tubes
    • B01J8/067—Heating or cooling the reactor
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B3/00—Hydrogen; Gaseous mixtures containing hydrogen; Separation of hydrogen from mixtures containing it; Purification of hydrogen; Reversible storage of hydrogen
    • C01B3/02—Production of hydrogen; Production of gaseous mixtures containing hydrogen
    • C01B3/32—Production of hydrogen; Production of gaseous mixtures containing hydrogen by reaction of gaseous or liquid organic compounds with gasifying agents, e.g. water, carbon dioxide or air
    • C01B3/34—Production of hydrogen; Production of gaseous mixtures containing hydrogen by reaction of gaseous or liquid organic compounds with gasifying agents, e.g. water, carbon dioxide or air by reaction of hydrocarbons with gasifying agents
    • C01B3/38—Production of hydrogen; Production of gaseous mixtures containing hydrogen by reaction of gaseous or liquid organic compounds with gasifying agents, e.g. water, carbon dioxide or air by reaction of hydrocarbons with gasifying agents using catalysts
    • C01B3/384—Production of hydrogen; Production of gaseous mixtures containing hydrogen by reaction of gaseous or liquid organic compounds with gasifying agents, e.g. water, carbon dioxide or air by reaction of hydrocarbons with gasifying agents using catalysts with external heating of the catalyst
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
    • F28D7/16—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged in parallel spaced relation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
    • F28F9/02—Header boxes; End plates
    • F28F9/04—Arrangements for sealing elements into header boxes or end plates
    • F28F9/06—Arrangements for sealing elements into header boxes or end plates by dismountable joints
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2208/00—Processes carried out in the presence of solid particles; Reactors therefor
    • B01J2208/00008—Controlling the process
    • B01J2208/00017—Controlling the temperature
    • B01J2208/00026—Controlling or regulating the heat exchange system
    • B01J2208/00035—Controlling or regulating the heat exchange system involving measured parameters
    • B01J2208/0007—Pressure measurement
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2208/00—Processes carried out in the presence of solid particles; Reactors therefor
    • B01J2208/00008—Controlling the process
    • B01J2208/00017—Controlling the temperature
    • B01J2208/00106—Controlling the temperature by indirect heat exchange
    • B01J2208/00168—Controlling the temperature by indirect heat exchange with heat exchange elements outside the bed of solid particles
    • B01J2208/00212—Plates; Jackets; Cylinders
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2208/00—Processes carried out in the presence of solid particles; Reactors therefor
    • B01J2208/00008—Controlling the process
    • B01J2208/00017—Controlling the temperature
    • B01J2208/00477—Controlling the temperature by thermal insulation means
    • B01J2208/00495—Controlling the temperature by thermal insulation means using insulating materials or refractories
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2208/00—Processes carried out in the presence of solid particles; Reactors therefor
    • B01J2208/00008—Controlling the process
    • B01J2208/00017—Controlling the temperature
    • B01J2208/0053—Controlling multiple zones along the direction of flow, e.g. pre-heating and after-cooling
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B2203/00—Integrated processes for the production of hydrogen or synthesis gas
    • C01B2203/08—Methods of heating or cooling
    • C01B2203/0805—Methods of heating the process for making hydrogen or synthesis gas
    • C01B2203/0811—Methods of heating the process for making hydrogen or synthesis gas by combustion of fuel
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B2203/00—Integrated processes for the production of hydrogen or synthesis gas
    • C01B2203/08—Methods of heating or cooling
    • C01B2203/0805—Methods of heating the process for making hydrogen or synthesis gas
    • C01B2203/0838—Methods of heating the process for making hydrogen or synthesis gas by heat exchange with exothermic reactions, other than by combustion of fuel
    • C01B2203/0844—Methods of heating the process for making hydrogen or synthesis gas by heat exchange with exothermic reactions, other than by combustion of fuel the non-combustive exothermic reaction being another reforming reaction as defined in groups C01B2203/02 - C01B2203/0294
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B2203/00—Integrated processes for the production of hydrogen or synthesis gas
    • C01B2203/08—Methods of heating or cooling
    • C01B2203/0805—Methods of heating the process for making hydrogen or synthesis gas
    • C01B2203/0866—Methods of heating the process for making hydrogen or synthesis gas by combination of different heating methods
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F2265/00—Safety or protection arrangements; Arrangements for preventing malfunction
    • F28F2265/16—Safety or protection arrangements; Arrangements for preventing malfunction for preventing leakage
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F2265/00—Safety or protection arrangements; Arrangements for preventing malfunction
    • F28F2265/26—Safety or protection arrangements; Arrangements for preventing malfunction for allowing differential expansion between elements

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Combustion & Propulsion (AREA)
  • General Health & Medical Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
  • Hydrogen, Water And Hydrids (AREA)
  • Heating, Cooling, Or Curing Plastics Or The Like In General (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
  • Devices And Processes Conducted In The Presence Of Fluids And Solid Particles (AREA)
  • Encapsulation Of And Coatings For Semiconductor Or Solid State Devices (AREA)
  • Separation By Low-Temperature Treatments (AREA)
  • Devices That Are Associated With Refrigeration Equipment (AREA)
CA002205002A 1995-08-07 1996-07-29 Heat exchange apparatus and process Expired - Lifetime CA2205002C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GBGB9516125.3A GB9516125D0 (en) 1995-08-07 1995-08-07 Heat exchange apparatus and process
GB9516125.3 1995-08-07
PCT/GB1996/001812 WO1997005947A1 (en) 1995-08-07 1996-07-29 Heat exchange apparatus and process

Publications (2)

Publication Number Publication Date
CA2205002A1 CA2205002A1 (en) 1997-02-20
CA2205002C true CA2205002C (en) 2006-05-16

Family

ID=10778853

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002205002A Expired - Lifetime CA2205002C (en) 1995-08-07 1996-07-29 Heat exchange apparatus and process

Country Status (19)

Country Link
US (1) US5958364A (enExample)
EP (1) EP0843590B1 (enExample)
JP (1) JP3920337B2 (enExample)
CN (1) CN1089627C (enExample)
AT (1) ATE183667T1 (enExample)
AU (1) AU718655B2 (enExample)
BR (1) BR9609838A (enExample)
CA (1) CA2205002C (enExample)
DE (1) DE69603970T2 (enExample)
DK (1) DK0843590T3 (enExample)
ES (1) ES2138365T3 (enExample)
GB (1) GB9516125D0 (enExample)
MY (1) MY115037A (enExample)
NO (1) NO316058B1 (enExample)
NZ (1) NZ313697A (enExample)
SA (1) SA96170212B1 (enExample)
TW (1) TW332254B (enExample)
WO (1) WO1997005947A1 (enExample)
ZA (1) ZA966505B (enExample)

Families Citing this family (56)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5811065A (en) * 1997-04-24 1998-09-22 Ballard Generation Systems Inc. Burner exhaust gas collection assembly for a catalytic reformer
JPH11217573A (ja) * 1998-02-02 1999-08-10 Japan Atom Energy Res Inst 水蒸気改質器
EP0983964A3 (de) * 1998-09-04 2000-07-26 Linde Aktiengesellschaft Verfahren und Primärreformer zur Erzeugung von Synthesegas
DE69822635T2 (de) * 1998-10-30 2005-02-10 Casale Chemicals Sa Verfahren und Brenner für die Teiloxidation von Kohlenwasserstoffen
GB0001540D0 (en) * 2000-01-25 2000-03-15 Gratwick Christopher Stream reforming
DE10021986A1 (de) * 2000-05-05 2001-11-15 Deggendorfer Werft Eisenbau Röhrenreaktor zur Durchführung exothermer Gasphasenreaktionen
JP4815668B2 (ja) * 2000-05-15 2011-11-16 トヨタ自動車株式会社 水素生成装置
GB0124172D0 (en) * 2001-10-09 2001-11-28 Ici Plc Reactor
GB0130145D0 (en) 2001-12-17 2002-02-06 Ici Plc Metal passivation
GB0225961D0 (en) 2002-11-07 2002-12-11 Johnson Matthey Plc Production of hydrocarbons
CN1774391A (zh) * 2003-04-15 2006-05-17 国际壳牌研究有限公司 制备氢气和氢气与一氧化碳混合物的方法
US7323497B2 (en) 2003-05-02 2008-01-29 Johnson Matthey Plc Production of hydrocarbons by steam reforming and Fischer-Tropsch reaction
JP2005089209A (ja) * 2003-09-12 2005-04-07 Nippon Oil Corp 改質器および燃料電池システム
DE602005027752D1 (de) * 2005-02-02 2011-06-09 Carrier Corp Wärmetauscher mit mehrstufiger flüssigkeitsausdehnung im kollektor
GB0507269D0 (en) 2005-04-11 2005-05-18 Johnson Matthey Plc Steam reforming
GB0521534D0 (en) 2005-10-24 2005-11-30 Johnson Matthey Catalysts Metal passivation
US20080260631A1 (en) 2007-04-18 2008-10-23 H2Gen Innovations, Inc. Hydrogen production process
JP2008267496A (ja) * 2007-04-20 2008-11-06 Taiyo Nippon Sanso Corp 水素ガス冷却装置
FR2932173B1 (fr) * 2008-06-05 2010-07-30 Air Liquide Procede de reformage a la vapeur avec ecoulement des fumees ameliore
GB0901472D0 (en) 2009-01-30 2009-03-11 Johnson Matthey Plc Hydrogen process
US9914341B2 (en) * 2009-07-01 2018-03-13 Nissan Motor Co., Ltd. Fragrance device for vehicle and fragrance blowing method
GB0916161D0 (en) 2009-09-15 2009-10-28 Johnson Matthey Plc Desulphurisation process
GB0922411D0 (en) 2009-12-22 2010-02-03 Johnson Matthey Plc Conversion of hydrocarbons to carbon dioxide and electrical power
GB0922410D0 (en) 2009-12-22 2010-02-03 Johnson Matthey Plc Conversion of hydrocarbons to carbon dioxide and electrical power
GB201015022D0 (en) 2010-09-09 2010-10-20 Johnson Matthey Plc Metal passivation
GB201015021D0 (en) 2010-09-09 2010-10-20 Johnson Matthey Plc Metal passivation
TWI409423B (zh) * 2010-10-11 2013-09-21 Heat exchange device
BR112013007729B1 (pt) * 2010-11-05 2018-05-08 Metaltek Int Inc aparelho de tubos do reformador, e, método para prover um aparelho de tubos do reformador
US9039794B2 (en) 2010-11-05 2015-05-26 Midrex Technologies, Inc. Reformer tube apparatus having variable wall thickness and associated method of manufacture
WO2013004254A1 (en) * 2011-07-01 2013-01-10 Haldor Topsøe A/S Heat exchange reactor
CA2862527C (en) * 2012-02-06 2021-06-29 Helbio Societe Anonyme Hydrogen And Energy Production Systems Heat integrated reformer with catalytic combustion for hydrogen production
EP2671636A1 (en) * 2012-06-06 2013-12-11 Ammonia Casale S.A. Pressure vessel with replaceable tubes
GB201403787D0 (en) 2014-03-04 2014-04-16 Johnson Matthey Plc Steam reforming
CN105241085B (zh) * 2015-11-12 2017-05-31 中首能能源投资(北京)有限公司 一种太阳能换热系统
US11117110B2 (en) * 2016-02-04 2021-09-14 Technip France Method for reducing temperature spread in reformer
CN108067164B (zh) * 2016-11-17 2020-12-08 中国石油化工股份有限公司 一种加氢反应器及加氢工艺
CN108067162B (zh) * 2016-11-17 2020-12-08 中国石油化工股份有限公司 一种加氢反应器及加氢工艺方法
JP6911469B2 (ja) * 2017-03-31 2021-07-28 株式会社Ihi 熱処理装置
GB201908449D0 (en) 2019-06-12 2019-07-24 Johnson Matthey Davy Technologies Ltd Process for synthesising methanol
CN114829861B (zh) * 2019-12-10 2026-06-12 内杰特·乌鲁达格 加热体
GB202009969D0 (en) 2020-06-30 2020-08-12 Johnson Matthey Plc Low-carbon hydrogen process
GB202102787D0 (en) * 2021-02-26 2021-04-14 Johnson Matthey Plc Heat exchange reactor seal apparatus
CA3230466A1 (en) 2021-11-17 2023-05-25 Kendra BRIGGS Method for retrofitting a hydrogen production unit
GB202117591D0 (en) 2021-12-06 2022-01-19 Johnson Matthey Plc Method for retrofitting a hydrogen production unit
GB202201332D0 (en) 2022-02-02 2022-03-16 Johnson Matthey Plc Low-carbon hydrogen process
US12264627B2 (en) * 2022-03-02 2025-04-01 General Electric Company Heat exchanger for a gas turbine engine
GB202211765D0 (en) 2022-08-11 2022-09-28 Johnson Matthey Plc Method of preventing metal dusting in a gas heated reforming apparatus
EP4385946A1 (en) 2022-12-15 2024-06-19 Johnson Matthey Public Limited Company Decarbonisation of a chemical plant
GB202219362D0 (en) 2022-12-21 2023-02-01 Johnson Matthey Plc Process for producing hydrogen
HRP20260413T1 (hr) 2023-04-25 2026-05-08 Johnson Matthey Davy Technologies Limited Dekarbonizacija postrojenja za hidroobradu
CN117264654B (zh) * 2023-10-16 2026-04-10 金浦新材料股份有限公司 一种新型乙烯裂解抑焦剂及其制备方法和应用
GB202408485D0 (en) 2024-06-13 2024-07-31 Johnson Matthey Plc Low-carbon hydrogen process
CN118489923A (zh) * 2024-06-17 2024-08-16 龙岩烟草工业有限责任公司 加温加湿器和烟草物料处理设备
GB202414609D0 (en) 2024-10-04 2024-11-20 Johnson Matthey Plc Process for the production of hydrogen, carbon dioxide and power
GB202416059D0 (en) 2024-10-31 2024-12-18 Johnson Matthey Plc Plant for the production of synthesis gas
GB202500801D0 (en) 2025-01-21 2025-03-05 Johnson Matthey Plc Process for the production of hydrogen and carbon dioxide

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US2458756A (en) * 1945-01-01 1949-01-11 Universal Oil Prod Co Means for controlling and equalizing tube temperatures
GB1320148A (en) * 1969-08-06 1973-06-13 Humphreys & Glasgow Ltd Tubular reactors
GB1316886A (en) * 1970-12-24 1973-05-16 Semenov V P Apparatus for use in reforming hydrocarbons under pressure
IT1007028B (it) * 1974-01-23 1976-10-30 Montedison Spa Sistema di termoregolazione di reattori catalitici a letto flui do operanti a temperatura elevata
US4337170A (en) * 1980-01-23 1982-06-29 Union Carbide Corporation Catalytic steam reforming of hydrocarbons
US4871014A (en) * 1983-03-28 1989-10-03 Tui Industries Shell and tube heat exchanger
US4919844A (en) * 1984-08-16 1990-04-24 Air Products And Chemicals, Inc. Enhanced heat transfer reformer and method
US5264202A (en) * 1990-11-01 1993-11-23 Air Products And Chemicals, Inc. Combined prereformer and convective heat transfer reformer

Also Published As

Publication number Publication date
ATE183667T1 (de) 1999-09-15
MY115037A (en) 2003-03-31
DE69603970D1 (de) 1999-09-30
GB9516125D0 (en) 1995-10-04
AU718655B2 (en) 2000-04-20
AU6622496A (en) 1997-03-05
JP3920337B2 (ja) 2007-05-30
US5958364A (en) 1999-09-28
EP0843590B1 (en) 1999-08-25
WO1997005947A1 (en) 1997-02-20
CN1192706A (zh) 1998-09-09
CN1089627C (zh) 2002-08-28
SA96170212B1 (ar) 2006-07-30
EP0843590A1 (en) 1998-05-27
DE69603970T2 (de) 1999-12-09
CA2205002A1 (en) 1997-02-20
JPH11510431A (ja) 1999-09-14
NZ313697A (en) 1999-05-28
NO980520L (no) 1998-02-06
ES2138365T3 (es) 2000-01-01
DK0843590T3 (da) 2000-02-07
TW332254B (en) 1998-05-21
NO980520D0 (no) 1998-02-06
NO316058B1 (no) 2003-12-08
BR9609838A (pt) 1999-03-09
ZA966505B (en) 1997-02-07
MX9706722A (es) 1997-11-29

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Effective date: 20160729