MX2010003034A - Extrusor degasificador para degasificar un material de polimero y metodo para degasificar un jarabe consistente de polimeros, solventes y/o monomeros utilizando un extrusor degasificador. - Google Patents

Extrusor degasificador para degasificar un material de polimero y metodo para degasificar un jarabe consistente de polimeros, solventes y/o monomeros utilizando un extrusor degasificador.

Info

Publication number
MX2010003034A
MX2010003034A MX2010003034A MX2010003034A MX2010003034A MX 2010003034 A MX2010003034 A MX 2010003034A MX 2010003034 A MX2010003034 A MX 2010003034A MX 2010003034 A MX2010003034 A MX 2010003034A MX 2010003034 A MX2010003034 A MX 2010003034A
Authority
MX
Mexico
Prior art keywords
degassing
extruder
polymer material
monomers
solvents
Prior art date
Application number
MX2010003034A
Other languages
English (en)
Inventor
R Diger Carloff
Joachim Heid
Heinz Vetter
Original Assignee
Evonik R Hm Gmbh
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 Evonik R Hm Gmbh filed Critical Evonik R Hm Gmbh
Publication of MX2010003034A publication Critical patent/MX2010003034A/es

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/50—Details of extruders
    • B29C48/76—Venting, drying means; Degassing means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D1/00—Evaporating
    • B01D1/22—Evaporating by bringing a thin layer of the liquid into contact with a heated surface
    • B01D1/222—In rotating vessels; vessels with movable parts
    • B01D1/223—In rotating vessels; vessels with movable parts containing a rotor
    • B01D1/225—In rotating vessels; vessels with movable parts containing a rotor with blades or scrapers
    • B01D1/226—In rotating vessels; vessels with movable parts containing a rotor with blades or scrapers in the form of a screw or with helical blade members
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D5/00—Condensation of vapours; Recovering volatile solvents by condensation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/50—Details of extruders
    • B29C48/505—Screws
    • B29C48/51—Screws with internal flow passages, e.g. for molten material
    • B29C48/515—Screws with internal flow passages, e.g. for molten material for auxiliary fluids, e.g. foaming agents
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/50—Details of extruders
    • B29C48/505—Screws
    • B29C48/55—Screws having reverse-feeding elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/50—Details of extruders
    • B29C48/68—Barrels or cylinders
    • B29C48/685—Barrels or cylinders characterised by their inner surfaces, e.g. having grooves, projections or threads
    • B29C48/686—Barrels or cylinders characterised by their inner surfaces, e.g. having grooves, projections or threads having grooves or cavities
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/78—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling
    • B29C48/875—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling for achieving a non-uniform temperature distribution, e.g. using barrels having both cooling and heating zones
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/285—Feeding the extrusion material to the extruder
    • B29C48/295—Feeding the extrusion material to the extruder in gaseous form
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/50—Details of extruders
    • B29C48/74—Bypassing means, i.e. part of the molten material being diverted into downstream stages of the extruder
    • B29C48/745—Bypassing means, i.e. part of the molten material being diverted into downstream stages of the extruder for plasticising or homogenising devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/50—Details of extruders
    • B29C48/76—Venting, drying means; Degassing means
    • B29C48/765—Venting, drying means; Degassing means in the extruder apparatus
    • B29C48/766—Venting, drying means; Degassing means in the extruder apparatus in screw extruders
    • B29C48/767—Venting, drying means; Degassing means in the extruder apparatus in screw extruders through a degassing opening of a barrel

Abstract

La invenci?n se relaciona extrusor ventilado para la desvolatilizaci?n de un material de pol?mero, que abarca por lo menos un impulso, por lo menos un barril de extrusor, por lo menos un tornillo de extrusor impulsado rotatoriamente montado en el barril del extrusor, por lo menos una alimentaci?n de material, por lo menos una salida de extruido y tambi?n por lo menos una zona de ventilaci?n. Una caracter?stica particular del extrusor ventilado es que la salida de gas para el gas que surge en la zona ventilada se ha provisto caudal arriba de la alimentaci?n del material en relaci?n con la direcci?n de traslado del material de pol?mero.
MX2010003034A 2007-09-20 2008-08-12 Extrusor degasificador para degasificar un material de polimero y metodo para degasificar un jarabe consistente de polimeros, solventes y/o monomeros utilizando un extrusor degasificador. MX2010003034A (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102007045156A DE102007045156A1 (de) 2007-09-20 2007-09-20 Entgasungsextruder zur Entgasung eines Polymermaterials sowie Verfahren zur Entgasung eines Sirups aus Polymeren, Lösungsmitteln und/oder Monomeren unter Verwendung eines Entgasungsextruders
PCT/EP2008/060574 WO2009040189A1 (de) 2007-09-20 2008-08-12 Entgasungsextruder zur entgasung eines polymermaterials sowie verfahren zur entgasung eines sirups aus polymeren, lösungsmitteln und/oder monomeren unter verwendung eines entgasungsextruders

Publications (1)

Publication Number Publication Date
MX2010003034A true MX2010003034A (es) 2010-04-09

Family

ID=40329077

Family Applications (1)

Application Number Title Priority Date Filing Date
MX2010003034A MX2010003034A (es) 2007-09-20 2008-08-12 Extrusor degasificador para degasificar un material de polimero y metodo para degasificar un jarabe consistente de polimeros, solventes y/o monomeros utilizando un extrusor degasificador.

Country Status (17)

Country Link
US (1) US8585275B2 (es)
EP (1) EP2212091B1 (es)
JP (1) JP5550557B2 (es)
KR (1) KR101544230B1 (es)
CN (1) CN101391483B (es)
BR (1) BRPI0816873B1 (es)
CA (1) CA2699735C (es)
DE (1) DE102007045156A1 (es)
ES (1) ES2628292T3 (es)
HU (1) HUE033075T2 (es)
MX (1) MX2010003034A (es)
MY (1) MY161988A (es)
PL (1) PL2212091T3 (es)
RU (1) RU2479426C2 (es)
SI (1) SI2212091T1 (es)
TW (1) TWI453112B (es)
WO (1) WO2009040189A1 (es)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3868757B2 (ja) * 2001-04-25 2007-01-17 株式会社神戸製鋼所 ゴム系組成物の混練装置および混練方法
DE102007045155A1 (de) * 2007-09-20 2009-04-02 Evonik Röhm Gmbh Anordnung des Antriebs bei einem Entgasungsextruder
DE102009045122A1 (de) 2009-09-29 2011-03-31 Evonik Röhm Gmbh Verfahren und Anlage zur Einfärbung von Kunststoffformmassen
CN106079344B (zh) * 2010-07-23 2019-12-17 朗盛德国有限责任公司 具有一体化压模板的挤出机以及用于对聚合物混合体进行除气的方法
CN102001171B (zh) * 2010-10-13 2013-04-10 常州丰盛光电科技股份有限公司 导光板生产系统中的不间断排污装置及方法
JP5388373B2 (ja) 2011-05-30 2014-01-15 株式会社日本製鋼所 材料混練装置及び材料混練方法
CN104097312A (zh) * 2013-04-08 2014-10-15 上海华明高技术（集团）有限公司 排气式挤出机及使用该挤出机制造聚合物的方法
KR101298068B1 (ko) * 2013-05-10 2013-08-20 주식회사 창영기계 회수된 폐 폴리머를 리사이클링하기 위한 장치
DE102013105566A1 (de) * 2013-05-29 2014-12-04 List Holding Ag Verfahren zur kontinuierlichen Durchführung einer Polymerisation von Monomeren oder Co-Monomeren
SG11201510168XA (en) 2013-06-12 2016-01-28 Basf Se Process for the continuous preparation of an aliphatic or partially aromatic polyamide
HUE040587T2 (hu) 2013-06-12 2019-03-28 Basf Se Eljárás alifás vagy részben aromás poliamid oligomer folyamatos elõállítására
US9302220B2 (en) * 2013-11-13 2016-04-05 General Electric Company Extruder system and method for treatment of a gaseous medium
IT201700052877A1 (it) * 2017-05-16 2018-11-16 Starfort Des Stubenruss Moritz Una testa di stampante a 3D per l'impiego in una stampante 3D con una testa di stampante 3D di questo tipo, un procedimento per il funzionamento di una stampante 3D di questo tipo e prodotto stampato realizzato con una stampante 3D di questo tipo
FR3080997B1 (fr) * 2018-05-14 2020-05-08 Compagnie Generale Des Etablissements Michelin Installation d'extrusion pour des profiles complexes en melanges elastomeriques
CN109501131B (zh) * 2018-11-14 2021-08-27 徐州易尚饰家装饰工程有限责任公司 一种塑料注射原料干燥导料结构
DE102019127393B4 (de) * 2019-07-18 2023-09-21 Gneuss Gmbh Extruder zur viskositätserhöhenden Aufbereitung von aufschmelzbaren Polymeren
CN113459324A (zh) * 2020-03-30 2021-10-01 中石油吉林化工工程有限公司 脱挥螺杆挤出机设备及利用该设备生产pmma的方法
JP2023548184A (ja) * 2020-11-02 2023-11-15 レーム・ゲーエムベーハー 二成分系多相ポリマー・モノマー材料の脱気装置および脱気押出機におけるその使用
CN112873525B (zh) * 2020-12-21 2022-03-15 浙江海亮环境材料有限公司 一种陶瓷纤维滤管一体化成型设备及方法
CN114272878B (zh) * 2021-12-29 2024-02-13 万华化学集团股份有限公司 一种脱挥进料二合一装置、溶液聚合装置、聚合方法
DE102023115797A1 (de) 2022-06-29 2024-01-04 Röhm Gmbh Verbessertes Verfahren zur Herstellung eines Polymers

Family Cites Families (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3156009A (en) * 1960-12-30 1964-11-10 Standard Oil Co Devolatilizing extruder
US3383015A (en) * 1965-10-23 1968-05-14 Baker Perkins Inc Apparatus and methods for dispensing materials from a mixer
CH451497A (de) * 1967-08-24 1968-05-15 Stuedli Hans Schnecke für eine Doppel- oder Mehrschneckenpresse, insbesondere zur Verarbeitung thermoplastischer Kunststoffe
US3563514A (en) * 1968-03-11 1971-02-16 Borg Warner Plasticizer with full diameter rotor
US3787160A (en) * 1969-02-01 1974-01-22 Bayer Ag Apparatus having extrusion and mixing zones
US3797550A (en) * 1971-08-16 1974-03-19 Monsanto Co Wiped film devolatilizer construction
DE2908352A1 (de) 1979-03-03 1980-09-18 Bayer Ag Verfahren zur getrennten ableitung der einzelnen phasenstroeme einer mehrphasenstroemung
US4365081A (en) * 1980-05-20 1982-12-21 Nippon Shokubai Kagaku Kogyo Co. Ltd. Process for producing 2-hydroxyalkyl acrylates or methacrylates
DE3026842C2 (de) 1980-07-16 1984-02-16 Hermann Berstorff Maschinenbau Gmbh, 3000 Hannover Doppelschnecken-Entgasungsextruder für thermoplastische Materialien
JPS58147332A (ja) * 1982-02-26 1983-09-02 Sumitomo Chem Co Ltd 脱揮押出方法およびその装置
DE3275070D1 (de) 1982-08-26 1987-02-19 Berstorff Gmbh Masch Hermann Extruder with vent zone
JPS60116427A (ja) * 1983-11-30 1985-06-22 Matsushita Electric Works Ltd 成形機における樹脂押出スクリユ−
JPS6098627U (ja) * 1983-12-13 1985-07-05 豊田合成株式会社 押出機
JPS61130411U (es) * 1985-02-01 1986-08-15
JPS6420116A (en) * 1987-07-16 1989-01-24 Yokohama Rubber Co Ltd Structure of feed part of pin type extruding machine
DE3817941A1 (de) 1988-05-27 1989-11-30 Rhodia Ag Extrusionsverfahren und ein-, zwei- oder mehrschneckenextruder
JPH01132724U (es) * 1989-02-15 1989-09-08
JPH0698242B2 (ja) 1989-07-26 1994-12-07 神鋼パンテツク株式会社 薄膜蒸発機のスクリユー翼型排出装置
DE4114541C2 (de) 1990-12-14 1994-05-26 Berstorff Gmbh Masch Hermann Entgasungsextruder
DE4141102A1 (de) * 1990-12-18 1992-06-25 Barmag Barmer Maschf Extruderkaskade
JP2509457Y2 (ja) * 1992-10-21 1996-09-04 株式会社日本製鋼所 押出機のベント構造
AT400315B (de) * 1994-03-01 1995-12-27 Bacher Helmut Vorrichtung zum entgasen von thermoplastischem kunststoff
IT1290410B1 (it) * 1996-05-03 1998-12-03 Giuseppe Ponzielli Dispositivo a porta, particolarmente per un processore di polimeri, quale un estrusore
US5897690A (en) 1997-10-01 1999-04-27 Mcgrew; Robert L. Vapor recovery system for hydrocarbon storage tanks
JP3082659U (ja) * 2001-06-13 2001-12-21 株式会社プラコー 押出機の原料ペレット供給口部
JP2003348300A (ja) 2002-05-24 2003-12-05 Canon Inc 画像読取装置
US6949622B2 (en) * 2003-08-26 2005-09-27 General Electric Company Method of separating a polymer from a solvent
UA9960U (en) * 2005-04-28 2005-10-17 Kyiv Polytechnical Institute Extruder

Also Published As

Publication number Publication date
RU2010115365A (ru) 2011-10-27
KR101544230B1 (ko) 2015-08-12
SI2212091T1 (sl) 2017-10-30
MY161988A (en) 2017-05-31
EP2212091A1 (de) 2010-08-04
RU2479426C2 (ru) 2013-04-20
US8585275B2 (en) 2013-11-19
CN101391483A (zh) 2009-03-25
US20100193988A1 (en) 2010-08-05
JP2010538878A (ja) 2010-12-16
KR20100058572A (ko) 2010-06-03
CN101391483B (zh) 2014-04-30
BRPI0816873B1 (pt) 2019-01-29
CA2699735A1 (en) 2009-04-02
JP5550557B2 (ja) 2014-07-16
EP2212091B1 (de) 2017-05-10
CA2699735C (en) 2016-01-05
TW200914248A (en) 2009-04-01
TWI453112B (zh) 2014-09-21
WO2009040189A1 (de) 2009-04-02
HUE033075T2 (hu) 2017-11-28
DE102007045156A1 (de) 2009-04-02
BRPI0816873A2 (pt) 2015-03-17
ES2628292T3 (es) 2017-08-02
PL2212091T3 (pl) 2017-10-31

Similar Documents

Publication Publication Date Title
MX2010003034A (es) Extrusor degasificador para degasificar un material de polimero y metodo para degasificar un jarabe consistente de polimeros, solventes y/o monomeros utilizando un extrusor degasificador.
MX2010003033A (es) Disposicion de impulso en el extrusor.
AR048729A1 (es) Sistema de agitacion para un sistema de distribucion de producto de una maquina agricola
TW200744929A (en) Process for pneumatic delivery of water-absorbing polymer particles
TW200718714A (en) Producing water-absorbing polymeric particles
WO2008071782A3 (en) Method and apparatus to produce products made of composite material having solid particles embedded in a polymeric matrix, and method and device for dispersing solid particles into viscous liquid
TW200502258A (en) Method to produce continuously the polymers from vinylic compounds through substance- or solvent-polymerization
EA200970222A1 (ru) Подложка с нанесенным экструзионным способом покрытием
EP2123711A4 (en) HEAT-RESISTANT RESIN COMPOSITION WITH DARIN DISPERSED PART OF PRECURSORED POLYMER AND MANUFACTURING METHOD THEREFOR
MX2007012958A (es) Metodo para producir una pelicula plastica, termoplastica, pelicula y uso de la misma.
EP2204269A4 (en) Mechanism for regulating kneadability, extruder, continuous kneading machine, method for regulating kneadability and kneading method
BR0300909A (pt) Dispositivo para virar pilhas de material em folhas
ATE549155T1 (de) Vorrichtung und verfahren zur verpackung von artikeln
WO2006088537A3 (en) Novel microfibrillar reinforced polymer-polymer composites for use in medical devices
TW200736035A (en) Molding-system platen
PL2106314T3 (pl) Urządzenie do cięcia rury falistej
MX2007009157A (es) Sistemas de parcheo de tubos de polietileno y metodos.
GB0917642D0 (en) Dissolved gas floatation pressure reduction nozzle
BRPI0803416A2 (pt) aparelho para depositar uma massa de confeitaria, máquina para produzir produtos de confeitaria, e, método para produzir um produto de confeitaria
IN2012DN00332A (es)
WO2009044823A1 (ja) 押出機
WO2007144188A3 (de) Vorrichtung zur manipulation von flachem stückgut, wie bogen aus papier, kunststoff, karton und dergleichen
ATE409250T1 (de) Materialtransportfahrzeug zur verwendung bei asphaltierungen
WO2008091520A8 (en) Radiation cured elastomeric urethane acrylate films and the process for making same
WO2008089945A3 (de) Verfahren zum bearbeiten von extrudierten kunststoffplatten

Legal Events

Date Code Title Description
FG Grant or registration