DE2856921A1 - Verfahren und vorrichtung zum durchfuehren von chemischen und/oder physikalischen verfahren im wirbelbett - Google Patents

Verfahren und vorrichtung zum durchfuehren von chemischen und/oder physikalischen verfahren im wirbelbett

Info

Publication number
DE2856921A1
DE2856921A1 DE19782856921 DE2856921A DE2856921A1 DE 2856921 A1 DE2856921 A1 DE 2856921A1 DE 19782856921 DE19782856921 DE 19782856921 DE 2856921 A DE2856921 A DE 2856921A DE 2856921 A1 DE2856921 A1 DE 2856921A1
Authority
DE
Germany
Prior art keywords
lighter
heavier
agent
fluidizing
fluidized
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.)
Ceased
Application number
DE19782856921
Other languages
German (de)
English (en)
Inventor
Jan-Christer Lund Berggren
Ingemar Bjärred Bjerle
Hans Ragnar Höör Eklung
Bo Skövde Oscarsson
Ove Lars Löddeköpinge Svensson
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.)
ENERCHEM AB
Original Assignee
ENERCHEM AB
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 ENERCHEM AB filed Critical ENERCHEM AB
Publication of DE2856921A1 publication Critical patent/DE2856921A1/de
Ceased legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
    • F23G5/30—Incineration of waste; Incinerator constructions; Details, accessories or control therefor having a fluidised bed
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/30—Particle separators, e.g. dust precipitators, using loose filtering material
    • B01D46/32—Particle separators, e.g. dust precipitators, using loose filtering material the material moving during filtering
    • B01D46/38—Particle separators, e.g. dust precipitators, using loose filtering material the material moving during filtering as fluidised bed
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
    • B01D53/06—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with moving adsorbents, e.g. rotating beds
    • B01D53/10—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with moving adsorbents, e.g. rotating beds with dispersed adsorbents
    • B01D53/12—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with moving adsorbents, e.g. rotating beds with dispersed adsorbents according to the "fluidised technique"
    • 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
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/30—Processes for preparing, regenerating, or reactivating
    • B01J20/34—Regenerating or reactivating
    • B01J20/345—Regenerating or reactivating using a particular desorbing compound or mixture
    • B01J20/3458—Regenerating or reactivating using a particular desorbing compound or mixture in the gas phase
    • 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
    • B01J8/18—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles
    • B01J8/24—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles according to "fluidised-bed" technique
    • B01J8/26—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles according to "fluidised-bed" technique with two or more fluidised beds, e.g. reactor and regeneration installations
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
    • C10J3/00—Production of combustible gases containing carbon monoxide from solid carbonaceous fuels
    • C10J3/46—Gasification of granular or pulverulent flues in suspension
    • C10J3/48—Apparatus; Plants
    • C10J3/482—Gasifiers with stationary fluidised bed
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
    • C10J3/00—Production of combustible gases containing carbon monoxide from solid carbonaceous fuels
    • C10J3/46—Gasification of granular or pulverulent flues in suspension
    • C10J3/54—Gasification of granular or pulverulent fuels by the Winkler technique, i.e. by fluidisation
    • C10J3/56—Apparatus; Plants
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
    • C10J3/00—Production of combustible gases containing carbon monoxide from solid carbonaceous fuels
    • C10J3/72—Other features
    • C10J3/723—Controlling or regulating the gasification process
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
    • C10J3/00—Production of combustible gases containing carbon monoxide from solid carbonaceous fuels
    • C10J3/72—Other features
    • C10J3/74—Construction of shells or jackets
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23C—METHODS OR APPARATUS FOR COMBUSTION USING FLUID FUEL OR SOLID FUEL SUSPENDED IN  A CARRIER GAS OR AIR 
    • F23C10/00—Fluidised bed combustion apparatus
    • F23C10/02—Fluidised bed combustion apparatus with means specially adapted for achieving or promoting a circulating movement of particles within the bed or for a recirculation of particles entrained from the bed
    • F23C10/04—Fluidised bed combustion apparatus with means specially adapted for achieving or promoting a circulating movement of particles within the bed or for a recirculation of particles entrained from the bed the particles being circulated to a section, e.g. a heat-exchange section or a return duct, at least partially shielded from the combustion zone, before being reintroduced into the combustion zone
    • F23C10/08—Fluidised bed combustion apparatus with means specially adapted for achieving or promoting a circulating movement of particles within the bed or for a recirculation of particles entrained from the bed the particles being circulated to a section, e.g. a heat-exchange section or a return duct, at least partially shielded from the combustion zone, before being reintroduced into the combustion zone characterised by the arrangement of separation apparatus, e.g. cyclones, for separating particles from the flue gases
    • 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
    • B01J2220/00—Aspects relating to sorbent materials
    • B01J2220/50—Aspects relating to the use of sorbent or filter aid materials
    • B01J2220/56—Use in the form of a bed
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
    • C10J2300/00—Details of gasification processes
    • C10J2300/09—Details of the feed, e.g. feeding of spent catalyst, inert gas or halogens
    • C10J2300/0913—Carbonaceous raw material
    • C10J2300/0916—Biomass
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
    • C10J2300/00—Details of gasification processes
    • C10J2300/09—Details of the feed, e.g. feeding of spent catalyst, inert gas or halogens
    • C10J2300/0913—Carbonaceous raw material
    • C10J2300/0916—Biomass
    • C10J2300/092—Wood, cellulose
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
    • C10J2300/00—Details of gasification processes
    • C10J2300/09—Details of the feed, e.g. feeding of spent catalyst, inert gas or halogens
    • C10J2300/0913—Carbonaceous raw material
    • C10J2300/093—Coal
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
    • C10J2300/00—Details of gasification processes
    • C10J2300/09—Details of the feed, e.g. feeding of spent catalyst, inert gas or halogens
    • C10J2300/0953—Gasifying agents
    • C10J2300/0956—Air or oxygen enriched air
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
    • C10J2300/00—Details of gasification processes
    • C10J2300/09—Details of the feed, e.g. feeding of spent catalyst, inert gas or halogens
    • C10J2300/0953—Gasifying agents
    • C10J2300/0973—Water
    • C10J2300/0976—Water as steam
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23C—METHODS OR APPARATUS FOR COMBUSTION USING FLUID FUEL OR SOLID FUEL SUSPENDED IN  A CARRIER GAS OR AIR 
    • F23C2206/00—Fluidised bed combustion
    • F23C2206/10—Circulating fluidised bed
    • F23C2206/101—Entrained or fast fluidised bed
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G2201/00—Pretreatment
    • F23G2201/40—Gasification
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G2209/00—Specific waste
    • F23G2209/26—Biowaste
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G2900/00—Special features of, or arrangements for incinerators
    • F23G2900/70—Incinerating particular products or waste
    • F23G2900/7013—Incinerating oil shales
DE19782856921 1977-06-23 1978-06-22 Verfahren und vorrichtung zum durchfuehren von chemischen und/oder physikalischen verfahren im wirbelbett Ceased DE2856921A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE7707319A SE414373B (sv) 1977-06-23 1977-06-23 Sett och apparat for genomforande av kemiska och/eller fysikaliska processer i fluidiserad bedd

Publications (1)

Publication Number Publication Date
DE2856921A1 true DE2856921A1 (de) 1981-11-12

Family

ID=20331672

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19782856921 Ceased DE2856921A1 (de) 1977-06-23 1978-06-22 Verfahren und vorrichtung zum durchfuehren von chemischen und/oder physikalischen verfahren im wirbelbett

Country Status (4)

Country Link
EP (1) EP0007937A1 (zh-TW)
DE (1) DE2856921A1 (zh-TW)
SE (1) SE414373B (zh-TW)
WO (1) WO1979000009A1 (zh-TW)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3924723A1 (de) * 1988-08-15 1990-03-08 Reinhard Dipl Ing Eckert Verfahren zur energieerzeugung und energieerzeugungseinrichtung dafuer
WO2011131287A1 (de) * 2010-04-23 2011-10-27 Uhde Gmbh Vorrichtung und verfahren zur thermischen vorbehandlung von festen einsatzstoffen in einer konzentrisch gestuften wirbelschicht

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT8053499V0 (it) * 1980-09-10 1980-09-10 Fiat Ricerche Apparecchio di filtraggio e o scambio termico a letto fluidizzato particolarmente per gas di scarico di motori a combustione interna ed impianti industriali
JPS601285A (ja) * 1983-06-17 1985-01-07 Babcock Hitachi Kk 石炭ガス化炉の層高レベル制御方法
US4691031A (en) * 1984-06-20 1987-09-01 Suciu George D Process for preventing backmixing in a fluidized bed vessel
LU85468A1 (fr) * 1984-07-16 1986-02-12 Cockerill Mech Ind Sa Dispositif de gazeification de dechets
FI76004B (fi) * 1986-03-24 1988-05-31 Seppo Kalervo Ruottu Cirkulationsmassareaktor.
DE3934447C2 (de) * 1989-02-16 1999-02-11 Saarbergwerke Ag Verfahren und Anlage zur Entgasung von festem Brennstoff in einem Wirbelschichtreaktor
EP0395619A1 (fr) * 1989-04-25 1990-10-31 COCKERILL MECHANICAL INDUSTRIES Société Anonyme Procédé de traitement et d'utilisation de produits de pyrolyse et de combustion provenant d'un gazéificateur et installation pour la mise en oeuvre de ce procédé
DE4023060A1 (de) * 1990-07-20 1992-01-23 Metallgesellschaft Ag Verfahren zur kuehlung von heissen prozessgasen
ES2128950B1 (es) * 1995-09-15 2000-05-16 Georges Allard Reactor de lecho fluidizado denso y procedimiento de funcionamiento de tal reactor.
FI101133B (fi) 1996-08-30 1998-04-30 Fortum Oil Oy Laitteisto kemiallisiin ja fysikaalisiin prosesseihin
US6119607A (en) * 1997-05-09 2000-09-19 Corporation De L'ecole Polytechnique Granular bed process for thermally treating solid waste in a flame
WO2017103023A1 (en) * 2015-12-17 2017-06-22 Solvay Sa Gas extraction method using adsorbent particles, adsorber and gas extraction system
CN115040986A (zh) * 2022-06-09 2022-09-13 中国科学院广州能源研究所 一种双流化床连续式含臭有机废气治理装置及方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3236607A (en) * 1963-06-11 1966-02-22 Exxon Research Engineering Co Apparatus for iron ore reduction
FR1404349A (fr) * 1963-08-21 1965-06-25 Maschf Augsburg Nuernberg Ag Procédé d'entretien de filtre à couche filtrante
US3527694A (en) * 1968-12-09 1970-09-08 Exxon Research Engineering Co Fluid solids system
GB1439457A (en) * 1972-06-22 1976-06-16 Exxon Research Engineering Co Fluidised bed apparatus and uses thereof
SE7503313L (sv) * 1975-03-21 1976-09-22 Stora Kopparbergs Bergslags Ab Sett for omvandling av kolhaltiga material innehallande svavel till i huvudsak svavelfri brennbar gas samt anordning for genomforande av settet

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3924723A1 (de) * 1988-08-15 1990-03-08 Reinhard Dipl Ing Eckert Verfahren zur energieerzeugung und energieerzeugungseinrichtung dafuer
WO2011131287A1 (de) * 2010-04-23 2011-10-27 Uhde Gmbh Vorrichtung und verfahren zur thermischen vorbehandlung von festen einsatzstoffen in einer konzentrisch gestuften wirbelschicht

Also Published As

Publication number Publication date
EP0007937A1 (en) 1980-02-20
SE414373B (sv) 1980-07-28
WO1979000009A1 (en) 1979-01-11
SE7707319L (sv) 1978-12-24

Similar Documents

Publication Publication Date Title
DE2856921A1 (de) Verfahren und vorrichtung zum durchfuehren von chemischen und/oder physikalischen verfahren im wirbelbett
DE69936217T2 (de) Verfahren und vorrichtung zur abtrennung von feststoffen aus der gasphase
EP0302849B1 (de) Verfahren und Vorrichtung zur Verbrennung oder Vergasung von Brennstoffen in einer Wirbelschicht
EP0376356B1 (de) Verfahren und Vorrichtung zum Abtrennen unerwünschter Bestandteile aus einem Abgas
DE2649301A1 (de) Verfahren zur beschleunigung von kontaktreaktionen in fluiden und vorrichtung dafuer
DE3126052A1 (de) Verfahren und vorrichtung zur reinigung eines gases, das schwefelwasserstoff und kohlendioxid enthaelt
CH670960A5 (zh-TW)
CH436226A (de) Verfahren und Einrichtung zum Mischen eines Gases mit einem Mischphasenstrom und zum Zuführen des Gemisches zu einem Bett
DE4118433C2 (de) Fließbettapparatur zum Behandeln partikelförmigen Gutes
DE2129186A1 (de) Verfahren und Vorrichtung zur Fluidisation von partikelförmigen Materialien
DE2119061A1 (de) Vorrichtung zur Durchführung von katalytischen Dampfphasenreaktionen im Fließbett
DE1401684A1 (de) Waermeaustauschvorrichtung und Materialbehandlungsverfahren
DE1501373A1 (de) Waermeaustauscher mit kegelstumpffoermigen Boeden
DE2119463A1 (de) Vorrichtung zur Fluidisierung fester Teilchen und deren Anwendung
EP0106944A2 (de) Verfahren und Vorrichtung für ein fluidisiertes Feststoffsystem
DE2946102A1 (de) Verfahren und vorrichtung zum schwelen von feinkoernigem schwelgut mit heissem, feinkoernigem waermetraegermaterial
DE2753173A1 (de) Verfahren und vorrichtung zur trennung von stoffen in einer wirbelschicht
DE10260734A1 (de) Verfahren und Anlage zur Herstellung von Schwelkoks
DE937768C (de) Wirbelschichtreaktionskammer
DE2819996C2 (zh-TW)
DE60011398T2 (de) Standrohr-einlass fuer zirkulation von partikelförmigen feststoffen in petrochemischen oder anderen prozessen
CH296419A (de) Verfahren und Vorrichtung zur kontinuierlichen Behandlung körniger Stoffe mit Gasen, insbesondere zu ihrer Trocknung und Kühlung.
DE3013645A1 (de) Verfahren und vorrichtung fuer die zufuehrung von teilchen in eine wirbelschicht
DE2509352A1 (de) Verfahren zum mischen feinteiliger materialien und vorrichtung zur durchfuehrung
DE19548324C2 (de) Verfahren zum Vergasen von kohlenstoffhaltigen Feststoffen in der Wirbelschicht sowie dafür verwendbarer Vergaser

Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
8131 Rejection