IT7851458A0 - Perfezionamento nelle celle elettro chimiche e nei relativi procedimenti di produzione - Google Patents
Perfezionamento nelle celle elettro chimiche e nei relativi procedimenti di produzioneInfo
- Publication number
- IT7851458A0 IT7851458A0 IT7851458A IT5145878A IT7851458A0 IT 7851458 A0 IT7851458 A0 IT 7851458A0 IT 7851458 A IT7851458 A IT 7851458A IT 5145878 A IT5145878 A IT 5145878A IT 7851458 A0 IT7851458 A0 IT 7851458A0
- Authority
- IT
- Italy
- Prior art keywords
- electro
- improvement
- related production
- production procedures
- chemical cells
- Prior art date
Links
- 238000000034 method Methods 0.000 title 1
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
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
- B29C65/08—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using ultrasonic vibrations
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/24—Grouping of fuel cells, e.g. stacking of fuel cells
- H01M8/2465—Details of groupings of fuel cells
- H01M8/2483—Details of groupings of fuel cells characterised by internal manifolds
-
- 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
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
- B29C65/06—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using friction, e.g. spin welding
-
- 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
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/01—General aspects dealing with the joint area or with the area to be joined
- B29C66/05—Particular design of joint configurations
- B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
- B29C66/11—Joint cross-sections comprising a single joint-segment, i.e. one of the parts to be joined comprising a single joint-segment in the joint cross-section
- B29C66/112—Single lapped joints
- B29C66/1122—Single lap to lap joints, i.e. overlap joints
-
- 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
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/01—General aspects dealing with the joint area or with the area to be joined
- B29C66/05—Particular design of joint configurations
- B29C66/20—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines
- B29C66/21—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines said joint lines being formed by a single dot or dash or by several dots or dashes, i.e. spot joining or spot welding
-
- 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
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/01—General aspects dealing with the joint area or with the area to be joined
- B29C66/05—Particular design of joint configurations
- B29C66/302—Particular design of joint configurations the area to be joined comprising melt initiators
- B29C66/3022—Particular design of joint configurations the area to be joined comprising melt initiators said melt initiators being integral with at least one of the parts to be joined
- B29C66/30223—Particular design of joint configurations the area to be joined comprising melt initiators said melt initiators being integral with at least one of the parts to be joined said melt initiators being rib-like
-
- 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
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/50—General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
- B29C66/51—Joining tubular articles, profiled elements or bars; Joining single elements to tubular articles, hollow articles or bars; Joining several hollow-preforms to form hollow or tubular articles
- B29C66/54—Joining several hollow-preforms, e.g. half-shells, to form hollow articles, e.g. for making balls, containers; Joining several hollow-preforms, e.g. half-cylinders, to form tubular articles
- B29C66/543—Joining several hollow-preforms, e.g. half-shells, to form hollow articles, e.g. for making balls, containers; Joining several hollow-preforms, e.g. half-cylinders, to form tubular articles joining more than two hollow-preforms to form said hollow articles
-
- 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
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
- B29C66/73—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset
- B29C66/739—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset
- B29C66/7392—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of at least one of the parts being a thermoplastic
- B29C66/73921—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of at least one of the parts being a thermoplastic characterised by the materials of both parts being thermoplastics
-
- 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
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/80—General aspects of machine operations or constructions and parts thereof
- B29C66/81—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps
- B29C66/814—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps
- B29C66/8141—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined
- B29C66/81431—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined comprising a single cavity, e.g. a groove
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M6/00—Primary cells; Manufacture thereof
- H01M6/42—Grouping of primary cells into batteries
- H01M6/46—Grouping of primary cells into batteries of flat cells
- H01M6/48—Grouping of primary cells into batteries of flat cells with bipolar electrodes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/02—Details
- H01M8/0271—Sealing or supporting means around electrodes, matrices or membranes
- H01M8/0273—Sealing or supporting means around electrodes, matrices or membranes with sealing or supporting means in the form of a frame
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/24—Grouping of fuel cells, e.g. stacking of fuel cells
- H01M8/2404—Processes or apparatus for grouping fuel cells
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/24—Grouping of fuel cells, e.g. stacking of fuel cells
- H01M8/241—Grouping of fuel cells, e.g. stacking of fuel cells with solid or matrix-supported electrolytes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/24—Grouping of fuel cells, e.g. stacking of fuel cells
- H01M8/241—Grouping of fuel cells, e.g. stacking of fuel cells with solid or matrix-supported electrolytes
- H01M8/242—Grouping of fuel cells, e.g. stacking of fuel cells with solid or matrix-supported electrolytes comprising framed electrodes or intermediary frame-like gaskets
-
- 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
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/80—General aspects of machine operations or constructions and parts thereof
- B29C66/83—General aspects of machine operations or constructions and parts thereof characterised by the movement of the joining or pressing tools
- B29C66/832—Reciprocating joining or pressing tools
- B29C66/8322—Joining or pressing tools reciprocating along one axis
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/34—Electrical apparatus, e.g. sparking plugs or parts thereof
- B29L2031/3468—Batteries, accumulators or fuel cells
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/50—Fuel cells
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Manufacturing & Machinery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
- Fuel Cell (AREA)
- Secondary Cells (AREA)
- Inert Electrodes (AREA)
- Primary Cells (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL7711288 | 1977-10-14 |
Publications (2)
Publication Number | Publication Date |
---|---|
IT7851458A0 true IT7851458A0 (it) | 1978-10-11 |
IT1109213B IT1109213B (it) | 1985-12-16 |
Family
ID=19829342
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT5145878A IT1109213B (it) | 1977-10-14 | 1978-10-11 | Perfezionamento nelle celle elettrochimiche e nei relativi procedimenti di produzione |
Country Status (11)
Country | Link |
---|---|
JP (1) | JPS5465338A (it) |
BE (1) | BE871222A (it) |
CA (1) | CA1129946A (it) |
CH (1) | CH644228A5 (it) |
DE (1) | DE2844695A1 (it) |
ES (1) | ES474165A1 (it) |
FR (1) | FR2406313A1 (it) |
GB (1) | GB2006101B (it) |
IT (1) | IT1109213B (it) |
NL (1) | NL7810013A (it) |
SE (1) | SE7810731L (it) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2502850A1 (fr) * | 1981-03-26 | 1982-10-01 | Tregie | Perfectionnement aux piles a combustible |
JPS58103779A (ja) * | 1981-12-16 | 1983-06-20 | Meidensha Electric Mfg Co Ltd | 積層電池の電極端板 |
JPS58157063A (ja) * | 1982-03-12 | 1983-09-19 | Mitsubishi Electric Corp | 積層形燃料電池の製造方法 |
JPS6074359A (ja) * | 1983-09-30 | 1985-04-26 | Mitsui Eng & Shipbuild Co Ltd | 電極反応装置 |
FR2568412B1 (fr) * | 1984-07-27 | 1986-10-17 | Occidental Chem Co | Perfectionnements aux structures des piles a combustible. |
GB2178223A (en) * | 1985-07-18 | 1987-02-04 | Int Fuel Cells Corp | Polymeric molded frames for an alkali electrochemical cell |
JPS62120265U (it) * | 1986-01-22 | 1987-07-30 | ||
JPS6372853U (it) * | 1986-10-30 | 1988-05-16 | ||
JPS63155265U (it) * | 1987-03-31 | 1988-10-12 | ||
JPH02133783U (it) * | 1989-04-11 | 1990-11-06 | ||
NL1014405C1 (nl) | 2000-02-17 | 2001-08-20 | Nedstack Holding B V | Methode voor het vervaardigen Polymeer Elektrolyt Brandstofcellen. |
GB0110920D0 (en) * | 2001-05-03 | 2001-06-27 | Morgan Crucible Co | Flow field plates and a method for forming a seal between them |
GB2380853A (en) * | 2001-10-11 | 2003-04-16 | Morgan Crucible Co | Fuel cell or electrolyser construction |
CN101523649B (zh) * | 2006-10-05 | 2011-06-08 | Dic株式会社 | 燃料电池用隔板以及燃料电池 |
CN113997574B (zh) * | 2021-11-01 | 2023-07-18 | 南京工程学院 | 一种纤维增强热塑性树脂复合薄板超声波焊接方法 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1534904A (fr) * | 1967-06-22 | 1968-08-02 | Wonder Piles | Perfectionnements aux piles électriques étanches |
US3544383A (en) * | 1968-12-16 | 1970-12-01 | Esb Inc | Method of sealing an electric battery by means of spin welding |
GB1365483A (en) * | 1970-11-21 | 1974-09-04 | Lucas Industries Ltd | Method of joining parts wherein one of the parts is formed of a porous hydrophobic non stick synthetic resin material |
US3775189A (en) * | 1972-02-25 | 1973-11-27 | Gould Inc | Forming sealed housings for electrochemical cells |
GB1425030A (en) * | 1972-07-05 | 1976-02-18 | Lucas Batteries Ltd | Method of joining a pair of parts |
NL7509675A (nl) * | 1975-08-14 | 1977-02-16 | Stamicarbon | Werkwijze voor het vervaardigen van een electro- chemische cel of batterij, bijvoorbeeld een brand- stofcel of brandstofcelbatterij en volgens deze werkwijze vervaardigde cel of batterij. |
-
1978
- 1978-10-02 CA CA312,491A patent/CA1129946A/en not_active Expired
- 1978-10-04 NL NL7810013A patent/NL7810013A/xx not_active Application Discontinuation
- 1978-10-10 GB GB7839970A patent/GB2006101B/en not_active Expired
- 1978-10-11 CH CH1056878A patent/CH644228A5/de not_active IP Right Cessation
- 1978-10-11 IT IT5145878A patent/IT1109213B/it active
- 1978-10-11 JP JP12503278A patent/JPS5465338A/ja active Granted
- 1978-10-12 FR FR7829128A patent/FR2406313A1/fr active Granted
- 1978-10-13 BE BE2057347A patent/BE871222A/xx not_active IP Right Cessation
- 1978-10-13 SE SE7810731A patent/SE7810731L/xx unknown
- 1978-10-13 DE DE19782844695 patent/DE2844695A1/de active Granted
- 1978-10-13 ES ES474165A patent/ES474165A1/es not_active Expired
Also Published As
Publication number | Publication date |
---|---|
IT1109213B (it) | 1985-12-16 |
GB2006101A (en) | 1979-05-02 |
CH644228A5 (de) | 1984-07-13 |
FR2406313B1 (it) | 1983-10-07 |
GB2006101B (en) | 1982-03-24 |
FR2406313A1 (fr) | 1979-05-11 |
BE871222A (nl) | 1979-04-13 |
SE7810731L (sv) | 1979-04-14 |
NL7810013A (nl) | 1979-04-18 |
ES474165A1 (es) | 1979-10-16 |
CA1129946A (en) | 1982-08-17 |
JPS6244386B2 (it) | 1987-09-19 |
DE2844695C2 (it) | 1987-09-24 |
JPS5465338A (en) | 1979-05-25 |
DE2844695A1 (de) | 1979-04-26 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
IT1079948B (it) | Perfezionamento nelle celle elettrolitiche | |
IT1105134B (it) | Perfezionamento nei reni artificiali e procedimento per la loro produzione | |
IT7948725A0 (it) | Perfezionamento nei profilattici erelativo procedimento di produzione | |
IT1091781B (it) | Perfezionamento nelle celle elettrolitiche per la produzione di aloge nuri | |
MX146807A (es) | Mejoras en celda galvanica | |
NL188822C (nl) | Elektrochemische cel. | |
IT1041242B (it) | Perfezionamento nelle celle elettro litiche in particolare nei diaframmi catodici | |
IT7848121A0 (it) | Perfezionamento nei termos | |
NO149013C (no) | Elektrokjemisk celle | |
IT7851458A0 (it) | Perfezionamento nelle celle elettro chimiche e nei relativi procedimenti di produzione | |
IT1157703B (it) | Perfezionamento nei respiratori | |
NL188063C (nl) | Elektrochemische cel. | |
IT1035873B (it) | Perfezionamento nelle celle galvaniche | |
IT1061870B (it) | Perfezionamento nelle celle elettrochimiche | |
IT1116823B (it) | Perfezionamento nei procedimenti per la digestione di fanghi | |
BR7807536A (pt) | Celula eletroquimica de estado solido e respectivo processo de fabrico | |
NL7804333A (nl) | Elektrochemische cel. | |
IT1092188B (it) | Perfezionamento nei procedimenti e dispositivi per il montaggio di celle elettrolitiche | |
IT1091770B (it) | Perfezionamento nei diaframmi per celle di elettrolisi-cloro-alcaline | |
NL7806896A (nl) | Elektrolytische cel. | |
IT7830110A0 (it) | Perfezionamenti in celle di riduzione elettrolitiche. | |
NL7707677A (nl) | Elektrochemische cel. | |
IT1106596B (it) | Perfezionamento nei laminatoi | |
NO803178L (no) | Elektrolytisk celle. | |
IT1090988B (it) | Perfezionamento nelle celle elttrolitiche |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
TA | Fee payment date (situation as of event date), data collected since 19931001 |
Effective date: 19940919 |