DD279468A5 - Verfahren zur herstellung von selbsttragenden keramischen verbundstrukturen - Google Patents

Verfahren zur herstellung von selbsttragenden keramischen verbundstrukturen Download PDF

Info

Publication number
DD279468A5
DD279468A5 DD87306634A DD30663487A DD279468A5 DD 279468 A5 DD279468 A5 DD 279468A5 DD 87306634 A DD87306634 A DD 87306634A DD 30663487 A DD30663487 A DD 30663487A DD 279468 A5 DD279468 A5 DD 279468A5
Authority
DD
German Democratic Republic
Prior art keywords
metal
coating
oxidation product
composite
oxidation
Prior art date
Application number
DD87306634A
Other languages
German (de)
English (en)
Inventor
Marc S Newkirk
Adam J Gesing
Original Assignee
��������@��������@����������@���k��
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 ��������@��������@����������@���k�� filed Critical ��������@��������@����������@���k��
Publication of DD279468A5 publication Critical patent/DD279468A5/de

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B41/00After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
    • C04B41/009After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone characterised by the material treated
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/622Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/64Burning or sintering processes
    • C04B35/65Reaction sintering of free metal- or free silicon-containing compositions
    • C04B35/652Directional oxidation or solidification, e.g. Lanxide process
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B41/00After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
    • C04B41/45Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements
    • C04B41/50Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with inorganic materials
    • C04B41/5053Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with inorganic materials non-oxide ceramics
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B41/00After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
    • C04B41/45Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements
    • C04B41/50Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with inorganic materials
    • C04B41/51Metallising, e.g. infiltration of sintered ceramic preforms with molten metal
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B41/00After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
    • C04B41/80After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone of only ceramics
    • C04B41/81Coating or impregnation
    • C04B41/85Coating or impregnation with inorganic materials
    • C04B41/87Ceramics
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B41/00After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
    • C04B41/80After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone of only ceramics
    • C04B41/81Coating or impregnation
    • C04B41/85Coating or impregnation with inorganic materials
    • C04B41/88Metals
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C1/00Making non-ferrous alloys
    • C22C1/10Alloys containing non-metals
    • C22C1/1036Alloys containing non-metals starting from a melt
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C1/00Making non-ferrous alloys
    • C22C1/10Alloys containing non-metals
    • C22C1/1036Alloys containing non-metals starting from a melt
    • C22C1/1057Reactive infiltration
    • C22C1/1063Gas reaction, e.g. lanxide
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C29/00Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides
    • C22C29/12Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides based on oxides
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41WEAPONS
    • F41HARMOUR; ARMOURED TURRETS; ARMOURED OR ARMED VEHICLES; MEANS OF ATTACK OR DEFENCE, e.g. CAMOUFLAGE, IN GENERAL
    • F41H5/00Armour; Armour plates
    • F41H5/02Plate construction
    • F41H5/04Plate construction composed of more than one layer
    • F41H5/0414Layered armour containing ceramic material

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Structural Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Engineering & Computer Science (AREA)
  • Compositions Of Oxide Ceramics (AREA)
  • Other Surface Treatments For Metallic Materials (AREA)
  • Ceramic Products (AREA)
  • Steroid Compounds (AREA)
  • Medicines Containing Antibodies Or Antigens For Use As Internal Diagnostic Agents (AREA)
  • Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
  • Manufacture Of Alloys Or Alloy Compounds (AREA)
  • Laminated Bodies (AREA)
  • Cutting Tools, Boring Holders, And Turrets (AREA)
  • Coating By Spraying Or Casting (AREA)
  • Devices For Post-Treatments, Processing, Supply, Discharge, And Other Processes (AREA)
  • Ceramic Capacitors (AREA)
  • Chemical Vapour Deposition (AREA)
DD87306634A 1986-09-16 1987-09-03 Verfahren zur herstellung von selbsttragenden keramischen verbundstrukturen DD279468A5 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/908,124 US4948764A (en) 1986-09-16 1986-09-16 Production of ceramic and ceramic-metal composite articles with surface coatings

Publications (1)

Publication Number Publication Date
DD279468A5 true DD279468A5 (de) 1990-06-06

Family

ID=25425233

Family Applications (1)

Application Number Title Priority Date Filing Date
DD87306634A DD279468A5 (de) 1986-09-16 1987-09-03 Verfahren zur herstellung von selbsttragenden keramischen verbundstrukturen

Country Status (29)

Country Link
US (1) US4948764A (ja)
EP (1) EP0261053B1 (ja)
JP (1) JP2549124B2 (ja)
KR (1) KR880003862A (ja)
CN (1) CN87106237A (ja)
AT (1) ATE88169T1 (ja)
AU (1) AU592453B2 (ja)
BG (1) BG46904A3 (ja)
BR (1) BR8704675A (ja)
CA (1) CA1307914C (ja)
CS (1) CS275344B2 (ja)
DD (1) DD279468A5 (ja)
DE (1) DE3785408T2 (ja)
DK (1) DK169617B1 (ja)
FI (1) FI873932A (ja)
HU (1) HU204236B (ja)
IE (1) IE59973B1 (ja)
IL (1) IL83800A (ja)
IN (1) IN168834B (ja)
MX (1) MX166021B (ja)
NO (1) NO873799L (ja)
NZ (1) NZ221739A (ja)
PH (1) PH25450A (ja)
PL (1) PL156548B1 (ja)
PT (1) PT85716B (ja)
RU (1) RU1828461C (ja)
TR (1) TR24096A (ja)
YU (1) YU46672B (ja)
ZA (1) ZA876911B (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1992013689A2 (en) * 1991-01-16 1992-08-20 Lanxide Technology Company Removing metal from composite bodies, and resulting products

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5516595A (en) * 1986-09-16 1996-05-14 Lanxide Technology Company, Lp Production of ceramic and ceramic-metal composite articles with surface coatings
US5064788A (en) * 1986-09-16 1991-11-12 Lanxide Technology Company, Lp Production of ceramic and ceramic-metal composite articles with surface coatings
US4957779A (en) * 1988-02-18 1990-09-18 Lanxide Technology Company, Lp Method for producing a protective layer on a ceramic body
JP2755594B2 (ja) * 1988-03-30 1998-05-20 株式会社 東芝 セラミックス回路基板
US5040588A (en) * 1988-11-10 1991-08-20 Lanxide Technology Company, Lp Methods for forming macrocomposite bodies and macrocomposite bodies produced thereby
US5004714A (en) * 1989-01-13 1991-04-02 Lanxide Technology Company, Lp Method of modifying ceramic composite bodies by a post-treatment process and articles produced thereby
US5667898A (en) * 1989-01-30 1997-09-16 Lanxide Technology Company, Lp Self-supporting aluminum titanate composites and products relating thereto
NO905535L (no) * 1990-01-12 1991-07-15 Lanxide Technology Co Ltd Framgangsmaate for tilvirking av keramiske komposittgjenstander.
US5242710A (en) * 1990-06-25 1993-09-07 Lanxide Technology Company, Lp Methods for making self-supporting composite bodies and articles produced thereby
WO1992000256A2 (en) * 1990-06-25 1992-01-09 Lanxide Technology Company, Lp Composite bodies and methods for making same
US5674562A (en) * 1990-06-25 1997-10-07 Lanxide Technology Company, Lp Method for making self supporting composite bodies
US6113982A (en) * 1990-06-25 2000-09-05 Lanxide Technology Company, Lp Composite bodies and methods for making same
IL98530A (en) * 1990-06-25 1996-06-18 Lanxide Technology Co Ltd Methods for creating self-supporting compound bodies and objects produced by them using parent metals in the form of vapors and elemental oxidants
US5439744A (en) * 1991-06-25 1995-08-08 Lanxide Technology Company, Lp Composite bodies and methods for making same
US5350003A (en) * 1993-07-09 1994-09-27 Lanxide Technology Company, Lp Removing metal from composite bodies and resulting products
US5855955A (en) * 1995-06-07 1999-01-05 Lanxide Technology Company L.P. Method for making self-supporting composite bodies
US5845547A (en) * 1996-09-09 1998-12-08 The Sollami Company Tool having a tungsten carbide insert
AU2001233876B2 (en) * 2000-02-22 2004-09-30 Metalysis Limited Method for the manufacture of metal foams by electrolytic reduction of porous oxidic preforms
DE102004062297A1 (de) * 2004-12-23 2006-07-13 BSH Bosch und Siemens Hausgeräte GmbH Verdichter für ein Kältegerät
US7579087B2 (en) 2006-01-10 2009-08-25 United Technologies Corporation Thermal barrier coating compositions, processes for applying same and articles coated with same
RU2463390C1 (ru) * 2008-09-29 2012-10-10 Уильям Д. ХУРСТ Способ металлизации и устройство для его осуществления
US20100179045A1 (en) * 2009-01-12 2010-07-15 Goodrich Corporation Methods and apparatus relating to a composite material
CN101717244B (zh) * 2009-11-04 2012-04-18 江苏省陶瓷研究所有限公司 大型玻璃基板涂膜装置用复合陶瓷载置体及制备方法
US9395159B2 (en) 2012-03-01 2016-07-19 Lawrence Livermore National Security, Llc Embedded-monolith armor
CN108997000A (zh) * 2018-08-31 2018-12-14 青岛中冶坩埚有限公司 一种耐高温坩埚及其制造方法
CN112229273A (zh) * 2020-09-09 2021-01-15 沈阳中钛装备制造有限公司 防弹插板的制备方法、电子设备及存储介质

Family Cites Families (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE865721C (de) * 1945-03-20 1953-02-05 Deutsche Edelstahlwerke Ag Poroese Koerper ohne oder mit Ausfuellung der Poren durch ein Metall
US2741822A (en) * 1951-01-29 1956-04-17 Carborundum Co Preparation of refractory products
US3031340A (en) * 1957-08-12 1962-04-24 Peter R Girardot Composite ceramic-metal bodies and methods for the preparation thereof
US3255027A (en) * 1962-09-07 1966-06-07 Du Pont Refractory product and process
US3298842A (en) * 1963-03-22 1967-01-17 Du Pont Process for preparing hollow refractory particles
US3296002A (en) * 1963-07-11 1967-01-03 Du Pont Refractory shapes
US3419404A (en) * 1964-06-26 1968-12-31 Minnesota Mining & Mfg Partially nitrided aluminum refractory material
US3473987A (en) * 1965-07-13 1969-10-21 Du Pont Method of making thin-walled refractory structures
US3421863A (en) * 1966-03-04 1969-01-14 Texas Instruments Inc Cermet material and method of making same
US3437468A (en) * 1966-05-06 1969-04-08 Du Pont Alumina-spinel composite material
US3789096A (en) * 1967-06-01 1974-01-29 Kaman Sciences Corp Method of impregnating porous refractory bodies with inorganic chromium compound
US3473938A (en) * 1968-04-05 1969-10-21 Du Pont Process for making high strength refractory structures
US3538231A (en) * 1969-03-25 1970-11-03 Intern Materials Oxidation resistant high temperature structures
US3608170A (en) * 1969-04-14 1971-09-28 Abex Corp Metal impregnated composite casting method
US3770488A (en) * 1971-04-06 1973-11-06 Us Air Force Metal impregnated graphite fibers and method of making same
US3864154A (en) * 1972-11-09 1975-02-04 Us Army Ceramic-metal systems by infiltration
US3868267A (en) * 1972-11-09 1975-02-25 Us Army Method of making gradient ceramic-metal material
JPS49107308A (ja) * 1973-02-13 1974-10-11
US3973977A (en) * 1973-11-01 1976-08-10 Corning Glass Works Making spinel and aluminum-base metal cermet
GB2045809B (en) * 1979-04-02 1983-03-30 Standard Telephones Cables Ltd Chemical vapour deposition of aluminium
DE3381519D1 (de) * 1983-02-16 1990-06-07 Moltech Invent Sa Gesinterte metall-keramikverbundwerkstoffe und ihre herstellung.
US4713360A (en) * 1984-03-16 1987-12-15 Lanxide Technology Company, Lp Novel ceramic materials and methods for making same
NZ211405A (en) * 1984-03-16 1988-03-30 Lanxide Corp Producing ceramic structures by oxidising liquid phase parent metal with vapour phase oxidising environment; certain structures
NZ212704A (en) * 1984-07-20 1989-01-06 Lanxide Corp Producing self-supporting ceramic structure
US4851375A (en) * 1985-02-04 1989-07-25 Lanxide Technology Company, Lp Methods of making composite ceramic articles having embedded filler

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1992013689A2 (en) * 1991-01-16 1992-08-20 Lanxide Technology Company Removing metal from composite bodies, and resulting products
WO1992013689A3 (en) * 1991-01-16 1992-10-01 Lanxide Technology Co Ltd Removing metal from composite bodies, and resulting products

Also Published As

Publication number Publication date
IE872468L (en) 1988-03-16
PL156548B1 (en) 1992-03-31
NO873799D0 (no) 1987-09-11
IL83800A0 (en) 1988-02-29
PT85716A (en) 1987-10-01
CA1307914C (en) 1992-09-29
HUT46622A (en) 1988-11-28
EP0261053A2 (en) 1988-03-23
HU204236B (en) 1991-12-30
MX166021B (es) 1992-12-16
DK480587D0 (da) 1987-09-15
TR24096A (tr) 1991-03-15
BG46904A3 (en) 1990-03-15
KR880003862A (ko) 1988-05-30
AU7837887A (en) 1988-03-24
IL83800A (en) 1991-05-12
RU1828461C (ru) 1993-07-15
CS8706567A3 (en) 1992-02-19
DE3785408T2 (de) 1993-08-19
PL267682A1 (en) 1988-07-21
JP2549124B2 (ja) 1996-10-30
IE59973B1 (en) 1994-05-04
US4948764A (en) 1990-08-14
NO873799L (no) 1988-03-17
EP0261053B1 (en) 1993-04-14
IN168834B (ja) 1991-06-22
ATE88169T1 (de) 1993-04-15
YU46672B (sh) 1994-01-20
FI873932A0 (fi) 1987-09-10
FI873932A (fi) 1988-03-17
PT85716B (pt) 1990-08-31
NZ221739A (en) 1990-04-26
DK480587A (da) 1988-03-17
PH25450A (en) 1991-07-01
DE3785408D1 (de) 1993-05-19
CS275344B2 (en) 1992-02-19
YU156187A (en) 1989-06-30
CN87106237A (zh) 1988-07-13
AU592453B2 (en) 1990-01-11
ZA876911B (en) 1988-03-17
JPS6374954A (ja) 1988-04-05
DK169617B1 (da) 1994-12-27
BR8704675A (pt) 1988-04-26
EP0261053A3 (en) 1990-02-07

Similar Documents

Publication Publication Date Title
DD279468A5 (de) Verfahren zur herstellung von selbsttragenden keramischen verbundstrukturen
DE2435989C2 (de) Verfahren zur Herstellung eines verschleißfesten, beschichteten Hartmetallkörpers für Zerspanungszwecke
DE3744573A1 (de) Oberflaechenraffinierter sinterlegierungskoerper und verfahren zu dessen herstellung
DE2005707C3 (de) Hartstoffpulver zur Herstellung von metallgebundenen Hartstofflegierungen
DE3879908T2 (de) Verfahren zur modifikation keramischer verbundkoerper durch ein karbonisierungsverfahren und so hergestellte gegenstaende.
DE69519341T2 (de) Überharter Verbundwerkstoff für Werkzeuge
DE69025582T2 (de) Beschichteter Hartmetallkörper und Verfahren zu seiner Herstellung
DE68919509T2 (de) Oberflächenbeschichtetes, zementiertes Carbid.
DE2717842C2 (de) Verfahren zur Oberflächenbehandlung von gesinterten Hartmetallkörpern
DE2657685A1 (de) Siliciumcarbidverstaerkte verbundstoffe und verfahren zu deren herstellung
CH646127A5 (de) Beschichtetes sintercarbidprodukt.
DE3544975C1 (de) Verfahren zur Herstellung eines beschichteten Formkoerpers
DE1216065B (de) Aufbringen eines UEberzuges auf eine Molybdaen-Grundlage im Diffusionsverfahren
WO2003104507A1 (de) Hartmetall-substratkörper und verfahren zu dessen herstellung
EP1095168A1 (de) Hartmetall- oder cermet-körper und verfahren zu seiner herstellung
DE69809555T2 (de) Karbonnitridlegierung auf titanbasis mit nitrierter oberflächenzone
DE10297020T5 (de) Mehrkomponentenkeramikpulver, Verfahren zum Herstellen von Mehrkomponentenkeramikpulver, Sinterkörper und Verfahren zum Herstellen eines Sinterkörpers
DE3030149C3 (de) Schneidplättchen und Verfahren zu seiner Herstellung
DE2303756C3 (de) Verfahren zur Erzeugung einer Mischkarbidschicht aus Vanadium und Chrom auf kohlenstoffhaltigen Eisenwerkstoffen
DE4134144C2 (de) Karbidisches Spritzpulver
DE3907693A1 (de) Verfahren zur herstellung von wolframcarbid durch chemische dampfabscheidung
WO2018130628A1 (de) Verfahren zur behandlung einer oberfläche eines hartmetallkörpers und zur beschichtung des behandelten hartmetallkörpers mit einer diamantschicht
DE2149835A1 (de) Verfahren zur Verbesserung der Schwingdauer-und Verschleissfestigkeit,der Gleiteigenschaften und der Korrosionsbestaendigkeit von Werkstueckoberflaechen aus Eisen und Stahl
DD285774A5 (de) Verfaren zur herstellung eines selbsttragenden keramikkoerpers und verfarensgemaess hergestellter selbstragender keramikkoerper
DE19922057A1 (de) Hartmetall- oder Cermet-Körper und Verfahren zu seiner Herstellung

Legal Events

Date Code Title Description
ENJ Ceased due to non-payment of renewal fee