FR2514037B1 - Appareil et procede d'electrodeposition continue sur des pieces planes distinctes - Google Patents

Appareil et procede d'electrodeposition continue sur des pieces planes distinctes

Info

Publication number
FR2514037B1
FR2514037B1 FR8216812A FR8216812A FR2514037B1 FR 2514037 B1 FR2514037 B1 FR 2514037B1 FR 8216812 A FR8216812 A FR 8216812A FR 8216812 A FR8216812 A FR 8216812A FR 2514037 B1 FR2514037 B1 FR 2514037B1
Authority
FR
France
Prior art keywords
planar parts
continuous electrodeposition
distinct planar
distinct
electrodeposition
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
Application number
FR8216812A
Other languages
English (en)
Other versions
FR2514037A1 (fr
Inventor
Joseph M Brady
R Franz Cordes
Klaus H Gedrat
Daniel L Goffredo
Walter Meyer
Conrad D Shalmey
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.)
Chemcut Corp
Original Assignee
Chemcut Corp
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 Chemcut Corp filed Critical Chemcut Corp
Publication of FR2514037A1 publication Critical patent/FR2514037A1/fr
Application granted granted Critical
Publication of FR2514037B1 publication Critical patent/FR2514037B1/fr
Expired legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C25ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25DPROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D17/00Constructional parts, or assemblies thereof, of cells for electrolytic coating
    • CCHEMISTRY; METALLURGY
    • C25ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25DPROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D21/00Processes for servicing or operating cells for electrolytic coating
    • C25D21/02Heating or cooling
    • CCHEMISTRY; METALLURGY
    • C25ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25DPROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D21/00Processes for servicing or operating cells for electrolytic coating
    • C25D21/10Agitating of electrolytes; Moving of racks
    • CCHEMISTRY; METALLURGY
    • C25ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25DPROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D7/00Electroplating characterised by the article coated
    • C25D7/06Wires; Strips; Foils
    • C25D7/0614Strips or foils
    • C25D7/0621In horizontal cells
    • CCHEMISTRY; METALLURGY
    • C25ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25DPROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D7/00Electroplating characterised by the article coated
    • C25D7/06Wires; Strips; Foils
    • C25D7/0614Strips or foils
    • C25D7/0657Conducting rolls
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K3/00Apparatus or processes for manufacturing printed circuits
    • H05K3/22Secondary treatment of printed circuits
    • H05K3/24Reinforcing the conductive pattern
    • H05K3/241Reinforcing the conductive pattern characterised by the electroplating method; means therefor, e.g. baths or apparatus
FR8216812A 1981-10-07 1982-10-07 Appareil et procede d'electrodeposition continue sur des pieces planes distinctes Expired FR2514037B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/309,180 US4385967A (en) 1981-10-07 1981-10-07 Electroplating apparatus and method

Publications (2)

Publication Number Publication Date
FR2514037A1 FR2514037A1 (fr) 1983-04-08
FR2514037B1 true FR2514037B1 (fr) 1986-12-26

Family

ID=23197043

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8216812A Expired FR2514037B1 (fr) 1981-10-07 1982-10-07 Appareil et procede d'electrodeposition continue sur des pieces planes distinctes

Country Status (13)

Country Link
US (1) US4385967A (fr)
JP (1) JPS58136797A (fr)
AT (1) AT378009B (fr)
CA (1) CA1190888A (fr)
CH (1) CH652758A5 (fr)
DE (1) DE3236545A1 (fr)
ES (1) ES8402370A1 (fr)
FR (1) FR2514037B1 (fr)
GB (1) GB2107357B (fr)
IE (1) IE54263B1 (fr)
IT (1) IT1196672B (fr)
NL (1) NL8203845A (fr)
SE (1) SE8205713L (fr)

Families Citing this family (63)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4459183A (en) * 1981-10-07 1984-07-10 Chemcut Corporation Electroplating apparatus and method
GB2129444B (en) * 1982-11-01 1986-08-28 Omi Int Corp Anode structure for a plating cell
US4576685A (en) * 1985-04-23 1986-03-18 Schering Ag Process and apparatus for plating onto articles
US4696729A (en) * 1986-02-28 1987-09-29 International Business Machines Electroplating cell
DE3624481A1 (de) * 1986-07-19 1988-01-28 Schering Ag Anordnung zur elektrolytischen behandlung von plattenfoermigen gegenstaenden
US4755271A (en) * 1986-07-28 1988-07-05 Siemens Aktiengesellschaft Electroplating apparatus for plate-shaped workpieces, particularly printed circuit boards
JPH07116636B2 (ja) * 1986-09-26 1995-12-13 川崎製鉄株式会社 ラジアル型めつきセル
DE3638630A1 (de) * 1986-11-11 1988-05-26 Schering Ag Verfahren zur entfernung von harzverschmutzungen in bohrloechern von leiterplatten
EP0276725B1 (fr) * 1987-01-26 1991-09-04 Siemens Aktiengesellschaft Installation d'électroplacage de pièces en forme de plaques en particulier de plaques de circuits imprimés
EP0329807B2 (fr) * 1988-02-25 2003-01-22 Gebr. Schmid GmbH & Co. Dispositif de traitement de cartes électriques à circuits imprimés
DE58904414D1 (de) * 1988-09-01 1993-06-24 Siemens Nixdorf Inf Syst Galvanisiereinrichtung fuer plattenfoermige werkstuecke, insbesondere leiterplatten.
EP0365767B1 (fr) * 1988-09-01 1993-05-19 Siemens Nixdorf Informationssysteme Aktiengesellschaft Appareil pour le revêtement électrolytique de pièces en forme de plaque, notamment de cartes de circuits imprimés
ATE89614T1 (de) * 1988-09-01 1993-06-15 Siemens Nixdorf Inf Syst Galvanisiereinrichtung fuer plattenfoermige werkstuecke, insbesondere leiterplatten.
US4871435A (en) * 1988-10-14 1989-10-03 Charles Denofrio Electroplating apparatus
JPH0527894Y2 (fr) * 1988-11-09 1993-07-16
US4859298A (en) * 1988-12-07 1989-08-22 Chemcut Corporation Process and apparatus for electrolytically removing protective layers from sheet metal substrate
US4999079A (en) * 1989-06-02 1991-03-12 Chemcut Corporation Process and apparatus for treating articles and preventing their wrap around a roller
DE3939681A1 (de) * 1989-12-01 1991-06-06 Schering Ag Verfahren zur steuerung des ablaufes von galvanischen anlagen, sowie zur durchfuehrung des verfahrens dienender anordnung
DE4123985C2 (de) * 1991-07-19 1994-01-27 Hoellmueller Maschbau H Vorrichtung zur elektrolytischen Behandlung von Leiterplatten, insbesondere zur elektrolytischen Beschichtung mit Kupfer
US5211826A (en) * 1991-09-26 1993-05-18 Siemens Aktiengesellschaft Electroplating means for perforated printed circuit boards to be treated in a horizontal pass
DE4212567A1 (de) * 1992-03-14 1993-09-16 Schmid Gmbh & Co Geb Einrichtung zur behandlung von gegenstaenden, insbesondere galvanisiereinrichtungen fuer leiterplatten
DE4225961C5 (de) * 1992-08-06 2011-01-27 Atotech Deutschland Gmbh Vorrichtung zur Galvanisierung, insbesondere Verkupferung, flacher platten- oder bogenförmiger Gegenstände
DE4229403C2 (de) * 1992-09-03 1995-04-13 Hoellmueller Maschbau H Vorrichtung zum Galvanisieren dünner, ein- oder beidseits mit einer leitfähigen Beschichtung versehener Kunststoffolien
DE4301742C2 (de) * 1993-01-23 1999-07-08 Hoellmueller Maschbau H Vorrichtung zum Galvanisieren plattenförmiger Gegenstände, insbesondere von elektronischen Leiterplatten
US6168691B1 (en) * 1996-08-09 2001-01-02 Atotech Deutschland Gmbh Device for electrochemical treatment of elongate articles
DE19633797B4 (de) * 1996-08-22 2005-08-04 Hans Höllmüller Maschinenbau GmbH Vorrichtung zum Galvanisieren von elektronischen Leiterplatten oder dergleichen
DE19633796B4 (de) * 1996-08-22 2012-02-02 Hans Höllmüller Maschinenbau GmbH Vorrichtung zum Galvanisieren von elektronischen Leiterplatten
DE19736352C1 (de) 1997-08-21 1998-12-10 Atotech Deutschland Gmbh Vorrichtung zur Kontaktierung von flachem Behandlungsgut in Durchlaufgalvanisieranlagen
EP1541720A3 (fr) 1998-05-20 2006-05-31 Process Automation International Limited Appareillage pour l'électroplacage
US6261425B1 (en) 1998-08-28 2001-07-17 Process Automation International, Ltd. Electroplating machine
US6153064A (en) * 1998-11-25 2000-11-28 Oliver Sales Company Apparatus for in line plating
SG85700A1 (en) * 2000-03-15 2002-01-15 Wus Printed Circuit Co Ltd Multiple flat substrate electroplating apparatus
MX230531B (es) * 2000-10-19 2005-09-12 Atotech Deutschland Gmbh Bano de cobre y metodo para depositar un revestimiento mate de cobre.
US6676820B2 (en) 2001-03-02 2004-01-13 Ppg Industries Ohio, Inc. Process for electrocoating metal blanks and coiled metal substrates
DE10153171B4 (de) 2001-10-27 2004-09-16 Atotech Deutschland Gmbh Verfahren und Vorrichtung zum elektrolytischen Behandeln von Teilen in Durchlaufanlagen
DE10206660C1 (de) * 2002-02-12 2003-07-24 Atotech Deutschland Gmbh Vorrichtung und Verfahren zum Transport von flachem Behandlungsgut in Durchlaufanlagen
DE10207941A1 (de) * 2002-02-17 2003-09-04 Egon Huebel Verfahren und Vorrichtung zur elektrischen Kontaktierung von flachem Gut in elektrolytischen Anlagen
DE10210538B4 (de) * 2002-03-05 2004-11-18 Atotech Deutschland Gmbh Horizontal-Durchlaufanlage und Verfahren zum galvanotechnischen Behandeln von Behandlungsgut
DE10215463C1 (de) 2002-03-28 2003-07-24 Atotech Deutschland Gmbh Durchlaufanlage und Verfahren zum elektrolytischen Metallisieren von Werkstück
US6851200B2 (en) * 2003-03-14 2005-02-08 Hopkins Manufacturing Corporation Reflecting lighted level
DE10352708A1 (de) * 2003-11-07 2005-06-09 Würth Elektronik Pforzheim GmbH & Co. KG Verfahren und Vorrichtung zum Galvanisieren
DE10361880B3 (de) * 2003-12-19 2005-05-04 Atotech Deutschland Gmbh Behandlungseinheit zur nasschemischen oder elektrolytischen Behandlung von flachem Behandlungsgut und Verwendung der Behandlungseinheit
US20060219562A1 (en) * 2005-03-30 2006-10-05 Gramarossa Daniel J System and method of transporting and providing a cathode contact to articles in an electroplating system
DE502008003271D1 (de) 2008-04-28 2011-06-01 Autotech Deutschland Gmbh Wässriges saures Bad und Verfahren zum elektrolytischen Abschneiden von Kupfer
US8309259B2 (en) * 2008-05-19 2012-11-13 Arizona Board Of Regents For And On Behalf Of Arizona State University Electrochemical cell, and particularly a cell with electrodeposited fuel
WO2011035176A1 (fr) * 2009-09-18 2011-03-24 Fluidic, Inc. Système de pile électrochimique rechargeable avec une commutation de mode de charge et de décharge d'une électrode de charge dans les piles
EP2486622B1 (fr) * 2009-10-08 2014-07-23 Fluidic, Inc. Cellule métal-air rechargeable avec système de gestion des flux
DE102009047669A1 (de) * 2009-12-08 2011-06-09 GEMÜ Gebr. Müller Apparatebau GmbH & Co. KG Ventilkörper mit Inliner und Verfahren zur Herstellung eines Ventilkörpers mit Inliner
EP2586092B1 (fr) 2010-06-24 2017-01-04 Fluidic, Inc. Pile électrochimique avec anode à combustible échelonnée décalée
CN102403525B (zh) 2010-09-16 2016-02-03 流体公司 具有渐进析氧电极/燃料电极的电化学电池系统
NL2005480C2 (nl) 2010-10-07 2012-04-11 Meco Equip Eng Inrichting voor het eenzijdig elektrolytisch behandelen van een vlak substraat.
DK2966722T3 (en) 2010-10-20 2018-10-08 Fluidic Inc BATTERY RETURN PROCEDURE FOR SCAFFOLD FUEL ELECTRODE
JP5908251B2 (ja) 2010-11-17 2016-04-26 フルイディック,インク.Fluidic,Inc. 階層型アノードのマルチモード充電
CN102121126B (zh) * 2011-01-19 2014-12-31 俊杰机械(深圳)有限公司 一种带导轮架的pcb电镀装置
EP2518187A1 (fr) 2011-04-26 2012-10-31 Atotech Deutschland GmbH Bain d'acide aqueux pour le dépôt électrolytique de cuivre
DE102012221012B4 (de) 2012-11-16 2023-01-19 Atotech Deutschland Gmbh Vorrichtung und Verfahren zur Behandlung von flachem Behandlungsgut
CN103266334B (zh) * 2013-04-24 2015-12-02 东莞市鸿展机械设备有限公司 隔液传送装置
CN104862760A (zh) * 2015-06-11 2015-08-26 重庆德凯覆铜板有限公司 铝板表面阳极氧化生产线
EP3491690B1 (fr) 2016-07-22 2020-07-15 NantEnergy, Inc. Système de gestion d'humidité et de dioxyde de carbone dans des cellules électrochimiques
CN109790638B (zh) 2016-08-15 2021-06-18 德国艾托特克公司 用于电解镀铜的酸性水性组合物
EP3470552B1 (fr) 2017-10-13 2020-12-30 ATOTECH Deutschland GmbH Composition aqueuse acide pour déposer électrolytiquement un dépôt de cuivre
US11251476B2 (en) 2019-05-10 2022-02-15 Form Energy, Inc. Nested annular metal-air cell and systems containing same
EP3901331A1 (fr) 2020-04-23 2021-10-27 ATOTECH Deutschland GmbH Composition aqueuse acide pour déposer électrolytiquement un dépôt de cuivre

Family Cites Families (39)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB445719A (en) * 1934-11-01 1936-04-17 Albert Richard Norman Heath Improvements in or relating to electro-plating
DE886086C (de) * 1950-06-09 1953-08-10 Steel Prot Ltd Einrichtung zum Elektroplattieren von Blechen
BE517552A (fr) * 1951-05-17
GB1188206A (en) * 1967-08-22 1970-04-15 Kirkby Process & Equipment Ltd Improvements in or relating to Selective Plating Machines
US3575829A (en) * 1968-08-14 1971-04-20 Allegheny Ludlum Steel System for cleaning contact rolls in a plating tank
US3616423A (en) * 1969-02-03 1971-10-26 M & F Chemicals Inc Continuous plating system
US3933615A (en) * 1969-06-09 1976-01-20 The United States Of America As Represented By The Secretary Of The Air Force Fluid flow stripping and plating system
US3649507A (en) * 1970-07-13 1972-03-14 Omark Industries Inc Apparatus for continuous electroplating
US3746630A (en) * 1970-12-08 1973-07-17 Auric Corp Apparatus for selective electroplating of strips
US3723283A (en) * 1970-12-23 1973-03-27 Select Au Matic Selective plating system
US3799861A (en) * 1971-07-22 1974-03-26 Raptes Res Applic And Trade Es Electrical contact for equipment used in the electrolytical production of metals,particularly copper
GB1378237A (en) * 1971-11-15 1974-12-27 Chemcut Corp Module for modular apparatus
SE357580B (fr) * 1972-08-22 1973-07-02 Loennstroem Oy
US3898151A (en) * 1973-06-18 1975-08-05 Diamond Shamrock Corp Apparatus for electrocoating conductive articles including magnet means to convey the articles
US4132617A (en) * 1973-10-04 1979-01-02 Galentan, A.G. Apparatus for continuous application of strip-, ribbon- or patch-shaped coatings to a metal tape
US3996127A (en) * 1973-10-17 1976-12-07 Outokumpu Oy Device for detaching an electrolytically precipitated metal sheet from a cathode
US4064019A (en) * 1974-09-03 1977-12-20 Dixie Plating, Inc. Continuous contact plater method
US3966581A (en) * 1974-10-16 1976-06-29 Auric Corporation Selective plating apparatus
DE2460634C3 (de) * 1974-12-20 1980-02-21 Siemens Ag, 1000 Berlin Und 8000 Muenchen Galvanisiereinrichtung zum partiellen Metallisieren kontinuierlich durchlaufender Waren
US3951761A (en) * 1975-01-31 1976-04-20 Bunker Ramo Corporation Method and apparatus for electro-plating strip contacts
US3982321A (en) * 1975-03-24 1976-09-28 Inter-Lakes Engineering Co. Machine and process for assembling cathodes
US3970540A (en) * 1975-03-26 1976-07-20 The Mitchell-Bate Company Clamping device for use in electroplating
CH610937A5 (fr) * 1975-06-10 1979-05-15 Zbinden & Co
US4003805A (en) * 1975-10-20 1977-01-18 Uop Inc. System for electroplating a sequence of moving plate members
US4078982A (en) * 1976-03-15 1978-03-14 Dixie Plating, Inc. Apparatus for continuous contact plating
US4029564A (en) * 1976-03-26 1977-06-14 Electroplating Engineers Of Japan, Limited High speed plating device for rectangular sheets
SU642382A1 (ru) * 1976-07-28 1979-01-15 Предприятие П/Я А-7501 Установка дл локального гальванопокрыти
US4124454A (en) * 1976-10-04 1978-11-07 Shang Wai K Electrolytic treatment of metal sheet
US4162952A (en) * 1977-02-24 1979-07-31 Societe Anonyme dite: F.M.C. Apparatus for electrolysis by projection
FR2390517A1 (fr) * 1977-05-10 1978-12-08 Coppertron Sa Installation pour l'electro-production de cuivre en feuilles destinees a etre appliquees en particulier sur des materiaux dielectriques
US4145267A (en) * 1977-09-06 1979-03-20 National Steel Corporation Nonplating cathode and method for producing same
US4155815A (en) * 1978-04-03 1979-05-22 Francis William L Method of continuous electroplating and continuous electroplating machine for printed circuit board terminals
US4186062A (en) * 1978-07-13 1980-01-29 Micro-Plate, Inc. Continuous tab plater and method
US4162955A (en) * 1978-10-10 1979-07-31 Midland-Ross Corporation Electrodeposition coating apparatus
DE2856460C3 (de) * 1978-12-28 1982-02-11 Gebr. Schmid GmbH & Co, 7290 Freudenstadt Vorrichtung zum Aufbringen einer Lotschicht auf eine Leiterplatte
US4236990A (en) * 1979-05-29 1980-12-02 King Arthur S Treater with self-cleaning electrodes
US4217919A (en) * 1979-08-16 1980-08-19 Faunce And Associates, Inc. Ratchet conveyor and electrical energy cleaning system
US4244833A (en) * 1979-11-15 1981-01-13 Oxy Metal Industries Corporation Composition and process for chemically stripping metallic deposits
DE3001726C2 (de) * 1980-01-18 1984-08-09 Gebr. Schmid GmbH & Co, 7290 Freudenstadt Vorrichtung zum Behandeln einer Leiterplatte

Also Published As

Publication number Publication date
ES516287A0 (es) 1984-01-16
CA1190888A (fr) 1985-07-23
NL8203845A (nl) 1983-05-02
DE3236545A1 (de) 1983-05-05
ES8402370A1 (es) 1984-01-16
JPS58136797A (ja) 1983-08-13
IT1196672B (it) 1988-11-25
SE8205713D0 (sv) 1982-10-06
IT8268174A0 (it) 1982-10-06
GB2107357A (en) 1983-04-27
IE54263B1 (en) 1989-08-02
ATA367882A (de) 1984-10-15
AT378009B (de) 1985-06-10
US4385967A (en) 1983-05-31
SE8205713L (sv) 1983-04-08
CH652758A5 (it) 1985-11-29
DE3236545C2 (fr) 1991-12-12
GB2107357B (en) 1984-12-12
JPH0222159B2 (fr) 1990-05-17
IE822387L (en) 1983-04-07
FR2514037A1 (fr) 1983-04-08

Similar Documents

Publication Publication Date Title
FR2514037B1 (fr) Appareil et procede d'electrodeposition continue sur des pieces planes distinctes
FR2513609B1 (fr) Procede et appareil d'aboutement de feuilles continues
FR2544647B1 (fr) Procede et dispositif pour fabriquer des pieces d'usinage
FR2505501B1 (fr) Appareil et procede perfectionnes d'inspection non destructrice
FR2576484B1 (fr) Procede et appareil pour l'elevage de mollusques
FR2516611B1 (fr) Attache borgne, procede et appareil pour sa fabrication
FR2539652B1 (fr) Procede et appareil d'enduction
FR2491802B1 (fr) Procede et appareil d'usinage par electro-erosion
BE879163A (fr) Procede et appareil d'impression en quadrichromie sur des surfaces courbes
FR2527386B1 (fr) Appareil et procede pour assembler des elements d'accumulateur
BE890520A (fr) Procede et appareil de revetement
FR2583313B1 (fr) Procede et appareil de revetement d'une nappe continue par raclage.
BE896529A (fr) Procede et dispositif perfectionnes pour la fabrication d'appareils thermoelectriques
FR2485975B1 (fr) Procede et appareil d'usinage par electro-erosion
FR2482499B1 (fr) Procede et appareil d'usinage par electro-erosion
FR2511706B1 (fr) Procede et dispositif d'electrodeposition
FR2512184B1 (fr) Procede et dispositif de deshydratation continue
FR2553251B1 (fr) Procede et appareil pour l'epandage d'engrais
FR2560218B1 (fr) Appareil et procede de refroidissement d'un revetement sur une fil metallique
FR2491371B1 (fr) Procede et appareil d'usinage par electro-erosion
FR2510605B1 (fr) Procede et appareillage pour la realisation d'une methanogenese
FR2350914A1 (fr) Procede et appareil d'ecriquage de pieces metalliques
FR2561131B1 (fr) Procede et appareil pour l'enrichissement isotopique
FR2567264B1 (fr) Appareil d'extensometrie, en particulier d'extensometrie multiaxiale, et procede correspondant
BE892740A (fr) Procede et appareil pour la production de nitrate d'ammoniaque

Legal Events

Date Code Title Description
TP Transmission of property
TP Transmission of property