CH503841A - Belag zum Schutz des Bodens gegen Erosion - Google Patents
Belag zum Schutz des Bodens gegen ErosionInfo
- Publication number
- CH503841A CH503841A CH1745568A CH1745568A CH503841A CH 503841 A CH503841 A CH 503841A CH 1745568 A CH1745568 A CH 1745568A CH 1745568 A CH1745568 A CH 1745568A CH 503841 A CH503841 A CH 503841A
- Authority
- CH
- Switzerland
- Prior art keywords
- protect
- covering
- against erosion
- soil against
- soil
- Prior art date
Links
- 230000003628 erosive effect Effects 0.000 title 1
- 239000002689 soil Substances 0.000 title 1
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G13/00—Protection of plants
- A01G13/30—Ground coverings
- A01G13/32—Mats; Nets; Sheets or films
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C21/00—Methods of fertilising, sowing or planting
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C19/00—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
- E01C19/52—Apparatus for laying individual preformed surfacing elements, e.g. kerbstones
- E01C19/522—Apparatus for laying the elements by rolling or unfolding, e.g. for temporary pavings
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B3/00—Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
- E02B3/04—Structures or apparatus for, or methods of, protecting banks, coasts, or harbours
- E02B3/12—Revetment of banks, dams, watercourses, or the like, e.g. the sea-floor
- E02B3/122—Flexible prefabricated covering elements, e.g. mats, strips
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B3/00—Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
- E02B3/04—Structures or apparatus for, or methods of, protecting banks, coasts, or harbours
- E02B3/12—Revetment of banks, dams, watercourses, or the like, e.g. the sea-floor
- E02B3/122—Flexible prefabricated covering elements, e.g. mats, strips
- E02B3/126—Flexible prefabricated covering elements, e.g. mats, strips mainly consisting of bituminous material or synthetic resins
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C2201/00—Paving elements
- E01C2201/16—Elements joined together
- E01C2201/167—Elements joined together by reinforcement or mesh
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Structural Engineering (AREA)
- Civil Engineering (AREA)
- Environmental Sciences (AREA)
- Soil Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Mechanical Engineering (AREA)
- Toxicology (AREA)
- General Health & Medical Sciences (AREA)
- Health & Medical Sciences (AREA)
- Architecture (AREA)
- Revetment (AREA)
- Cultivation Receptacles Or Flower-Pots, Or Pots For Seedlings (AREA)
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL6717542A NL6717542A (cs) | 1967-12-22 | 1967-12-22 | |
| NL6800032A NL6800032A (cs) | 1967-12-22 | 1968-01-03 | |
| NL6800961A NL6800961A (cs) | 1967-12-22 | 1968-01-23 | |
| NL686803917A NL152318B (nl) | 1967-12-22 | 1968-03-20 | Bodembeschermende flexibele filterconstructie voor waterbouwkundige doeleinden. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH503841A true CH503841A (de) | 1971-02-28 |
Family
ID=27483762
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH1745568A CH503841A (de) | 1967-12-22 | 1968-11-22 | Belag zum Schutz des Bodens gegen Erosion |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US3597928A (cs) |
| JP (1) | JPS574410U (cs) |
| BE (1) | BE725148A (cs) |
| CH (1) | CH503841A (cs) |
| DK (1) | DK130654B (cs) |
| FI (1) | FI51233C (cs) |
| FR (1) | FR1599393A (cs) |
| GB (1) | GB1245818A (cs) |
| IL (1) | IL31015A (cs) |
| NL (4) | NL6717542A (cs) |
| SE (1) | SE356322B (cs) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2344178A1 (de) * | 1972-10-06 | 1974-04-11 | Aannemers Comb Zinkwerke | Senkstueck, verfahren zum absenken des senkstueckes und fahrzeug zur durchfuehrung des verfahrens |
| DE2611764A1 (de) * | 1975-03-19 | 1976-09-30 | Nederlanden Staat | Boeschungsverkleidung fuer deiche und sonstige uferschutzwerke |
| FR2615877A1 (fr) * | 1987-05-27 | 1988-12-02 | Kronimus Betonsteinwerk | Pave en beton a section polygonale ou circulaire |
| AT400460B (de) * | 1984-01-05 | 1996-01-25 | Ebenseer Betonwerke Gmbh | Formstein für gitterförmige flächenbeläge |
| DE102016116443A1 (de) * | 2016-09-02 | 2018-03-08 | Zarmutec Gmbh & Co. Kg | Pflasterverbundaufbau |
Families Citing this family (94)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3990247A (en) * | 1973-12-19 | 1976-11-09 | Palmer Robert Q | System of structures to resist hydrodynamic forces |
| US4002034A (en) * | 1974-06-27 | 1977-01-11 | Walter Muhring | Matting for the prevention of hydraulic erosion |
| JPS5123339U (cs) * | 1974-08-07 | 1976-02-20 | ||
| GB1523288A (en) * | 1974-11-18 | 1978-08-31 | Schraudenbach P | Artificial stones of a lattice structure |
| US4080793A (en) * | 1975-04-10 | 1978-03-28 | Pulsifer Ernest K | Method and apparatus for using automotive tires as earth engineering devices |
| DE2553086A1 (de) * | 1975-11-26 | 1977-06-02 | Paul Ritter | Mittel zur bodenstabilisierung |
| PH19550A (en) * | 1976-12-30 | 1986-05-20 | Douglas Neil Poster | An improved armour unit for wave energy absorption |
| US4227829A (en) * | 1978-11-29 | 1980-10-14 | Landry Jr Kossuth J | Soil erosion prevention blocks |
| NL7904906A (nl) * | 1979-06-22 | 1980-12-24 | Harm Last Gerrit Eenkhoorn Ger | Werkwijze voor het vervaardigen van een bodembekleding, de bodembekleding en het halfprodukt daarvoor. |
| US4479740A (en) * | 1979-08-21 | 1984-10-30 | Paul A. Kakuris | Erosion control device and method of making and installing same |
| US4362432A (en) * | 1980-03-03 | 1982-12-07 | Conover Maria T | Fluid wave energy dissipating and absorbing structure |
| DE3050333A1 (de) * | 1980-05-27 | 1982-06-16 | K Landry | Soil erosion prevention blocks |
| FR2488634A1 (fr) * | 1980-08-12 | 1982-02-19 | Kossuth Jean | Blocs en vue d'empecher l'erosion du sol |
| US4375928A (en) * | 1980-08-14 | 1983-03-08 | Crow Robert Q | Flexible concrete for soil erosion prevention |
| CA1145573A (en) | 1980-09-17 | 1983-05-03 | Robert E. Crowe | Erosion control blocks |
| US4370075A (en) * | 1980-10-28 | 1983-01-25 | Nicolon Corporation | Revetment grids and mats |
| FR2535369A1 (fr) * | 1982-10-28 | 1984-05-04 | Forlivesi Ceramiche | Carreau en gres pour le revetement de sols ou de murs |
| GB2152564A (en) * | 1984-01-05 | 1985-08-07 | Edgar Gerald Wise | Revetments |
| DK153897C (da) * | 1984-10-22 | 1989-01-30 | Coast Protection Aps | Erosionsbeskyttende belaegning til udlaegning paa mod vand vendende jordflader |
| US4978247A (en) * | 1986-05-05 | 1990-12-18 | Lenson Walter J | Erosion control device |
| USD302313S (en) | 1986-05-27 | 1989-07-18 | Lenson Walter J | Erosion control device |
| US4834575A (en) * | 1986-09-23 | 1989-05-30 | Barth Guenther | Paving stone |
| JPS63178917U (cs) * | 1987-05-08 | 1988-11-18 | ||
| US4896996A (en) * | 1989-01-23 | 1990-01-30 | Mouton William J | Wave actuated coastal erosion reversal system for shorelines |
| US4998844A (en) * | 1989-01-23 | 1991-03-12 | Charles C. Garvey, Jr. | Wave actuated coastal erosion reversal system for shorelines |
| US5107629A (en) * | 1989-11-09 | 1992-04-28 | The Celotex Corporation | Texturing of acoustical mineral fiberboard with wheel blast machine |
| US5123778A (en) * | 1990-09-26 | 1992-06-23 | Bohnhoff William W | Method of paving |
| US5250340A (en) * | 1990-08-31 | 1993-10-05 | Bohnhoff William W | Mat for stabilizing particulate materials |
| US5102048A (en) * | 1990-08-31 | 1992-04-07 | Bohnhoff William W | Irrigation head support |
| US5108222A (en) * | 1990-09-11 | 1992-04-28 | Jansson Jan E | Articulated, predominantly concrete mat |
| US5256007A (en) * | 1991-06-21 | 1993-10-26 | Robert Imhoff | Ground support system |
| US5702208A (en) * | 1994-06-02 | 1997-12-30 | Hilfiker; William K. | Grid-locked block panel system |
| US6010622A (en) | 1996-12-18 | 2000-01-04 | Dandy Enterprises Limited | Environmental filter |
| US5632888A (en) * | 1995-05-11 | 1997-05-27 | Dandy Enterprises Limited | Environmental filter |
| GB2305201B (en) * | 1995-09-14 | 1999-12-22 | Marshalls Mono Ltd | Water defence block |
| USD399577S (en) | 1996-02-23 | 1998-10-13 | Scales John M | Revetment block |
| NL1003138C2 (nl) * | 1996-05-15 | 1997-11-18 | Den Boer Beton Groot Ammers B | Bekleding voor een oever. |
| US5911539A (en) * | 1996-07-09 | 1999-06-15 | The Tensar Corporation | Interconnected block system |
| US5823709A (en) * | 1996-07-09 | 1998-10-20 | The Tensar Corporation | Interconnected block system |
| US5988942A (en) * | 1996-11-12 | 1999-11-23 | Stewart Trustees Limited | Erosion control system |
| US5779391A (en) * | 1996-11-19 | 1998-07-14 | Keystone Retaining Wall Systems, Inc, | Revetment block |
| US5848511A (en) * | 1997-01-21 | 1998-12-15 | Scales; John M. | Blocks for constructing low-rise ornamental wall and method |
| USD392750S (en) | 1997-02-25 | 1998-03-24 | Scales John M | Revetment block |
| USD423114S (en) * | 1997-05-27 | 2000-04-18 | Crh Oldcastle, Inc. | Paving stone |
| USD411666S (en) | 1998-04-30 | 1999-06-29 | Izzo Systems, Inc. | Set of straps for golf bag |
| USD415576S (en) | 1998-05-21 | 1999-10-19 | Scales John M | Revetment block |
| US6158922A (en) * | 1999-03-05 | 2000-12-12 | Fernandez; Jorge L. | Sand trap for erosion control |
| USD426317S (en) * | 1999-07-07 | 2000-06-06 | Crh Oldcastle, Inc. | Paving stone |
| US7452165B2 (en) * | 2001-07-31 | 2008-11-18 | Tyler Rodney W | Containment systems, methods, and devices |
| US7226240B2 (en) * | 2001-07-31 | 2007-06-05 | Tyler Rodney W | Devices, systems, and methods for controlling erosion |
| KR100547965B1 (ko) * | 2003-04-01 | 2006-02-03 | 이강산 | 호안 블록 |
| ES2224874B1 (es) * | 2003-08-19 | 2005-12-16 | Guer Ingenieria, S.L. | Bloque artificial perfeccionado, configurado para su colocacion ordenada en una capa, para la proteccion de diques y riberas maritimas y fluviales. |
| US7144201B2 (en) * | 2004-03-25 | 2006-12-05 | Dearmond Jr Thomas H | Structure and method for supporting headstones and other stonelike objects |
| US20070253785A1 (en) * | 2004-12-28 | 2007-11-01 | Tyler Rodney W | Containment systems, methods, and devices |
| US7210876B2 (en) * | 2005-05-20 | 2007-05-01 | National Diversified Sales, Inc. | Rollable load bearing mat for turf areas |
| FR2911155B1 (fr) | 2007-01-08 | 2009-02-27 | Hydrostadium | Systeme de fixation d'obstacles mobiles a incorporer dans du beton et procede mettant en oeuvre ce systeme |
| US9945090B1 (en) | 2007-04-16 | 2018-04-17 | Conwed Plastics Acquisition Company V Llc | System, devices, and/or methods for stabilizing earth |
| NL1034103C2 (nl) * | 2007-07-05 | 2009-01-06 | Konink Bam Groep Nv | Waterkeringelement, systeem en werkwijze voor het vormen van een tijdelijke waterkering. |
| US8496411B2 (en) * | 2008-06-04 | 2013-07-30 | T & B Structural Systems Llc | Two stage mechanically stabilized earth wall system |
| US8632278B2 (en) | 2010-06-17 | 2014-01-21 | T & B Structural Systems Llc | Mechanically stabilized earth welded wire facing connection system and method |
| US9605402B2 (en) * | 2009-01-14 | 2017-03-28 | Thomas P. Taylor | Retaining wall soil reinforcing connector and method |
| US8632277B2 (en) * | 2009-01-14 | 2014-01-21 | T & B Structural Systems Llc | Retaining wall soil reinforcing connector and method |
| US8393829B2 (en) * | 2010-01-08 | 2013-03-12 | T&B Structural Systems Llc | Wave anchor soil reinforcing connector and method |
| US20110170958A1 (en) * | 2010-01-08 | 2011-07-14 | T & B Structural Systems Llc | Soil reinforcing connector and method of constructing a mechanically stabilized earth structure |
| US8632279B2 (en) * | 2010-01-08 | 2014-01-21 | T & B Structural Systems Llc | Splice for a soil reinforcing element or connector |
| US8632281B2 (en) | 2010-06-17 | 2014-01-21 | T & B Structural Systems Llc | Mechanically stabilized earth system and method |
| US8734059B2 (en) | 2010-06-17 | 2014-05-27 | T&B Structural Systems Llc | Soil reinforcing element for a mechanically stabilized earth structure |
| US8632280B2 (en) | 2010-06-17 | 2014-01-21 | T & B Structural Systems Llc | Mechanically stabilized earth welded wire facing connection system and method |
| US8632282B2 (en) | 2010-06-17 | 2014-01-21 | T & B Structural Systems Llc | Mechanically stabilized earth system and method |
| NL1038840C2 (nl) * | 2011-05-24 | 2013-12-10 | Spekpannekoek B V | Samenstel van een filterdoek en een groep elementen voor een bekleding. |
| USD704083S1 (en) | 2012-03-28 | 2014-05-06 | National Diversified Sales, Inc. | Marker for permeable paver |
| US8858118B2 (en) | 2012-03-29 | 2014-10-14 | Waskey Bridges, Inc. | Erosion control mat system |
| CN102619536B (zh) * | 2012-04-11 | 2014-12-17 | 李献德 | 煤矿深井巷道注浆体养护方法 |
| US8979420B2 (en) | 2012-04-27 | 2015-03-17 | National Diversified Sales, Inc. | Marker for permeable paver |
| US9297135B2 (en) | 2014-05-09 | 2016-03-29 | Fast Ditch, Inc. | Structural lining system |
| US20180209103A1 (en) * | 2014-07-29 | 2018-07-26 | Oldcastle Building Products Canada Inc. | Grass pavers for increasing visible green space |
| ES2594489B1 (es) * | 2015-05-18 | 2017-09-26 | Universitat Internacional De Catalunya, Fundació Privada | Adoquín para pavimentación de un sustrato y sistema de adoquinado |
| FR3047750A1 (fr) * | 2016-02-15 | 2017-08-18 | Eric Nicolas Skierniewski | Sous-couche artificielle pour carapace de digue |
| US11345065B2 (en) | 2016-02-19 | 2022-05-31 | Motz Enterprises, Inc. | Flexible mat forming system and method |
| US11198231B2 (en) | 2016-02-19 | 2021-12-14 | Motz Enterprises, Inc. | Process and system for making an erosion control mat |
| US11097446B2 (en) * | 2019-06-13 | 2021-08-24 | Motz Enterprises, Inc. | System and method for making tied block mat with border |
| WO2017165584A1 (en) | 2016-03-23 | 2017-09-28 | MOTZ, James, G. | System and method for assembling an erosion-preventing mat |
| MX2019005058A (es) | 2016-11-02 | 2019-10-07 | Waskey Bridges Inc | Sistema de estera de control de erosion. |
| KR101772846B1 (ko) * | 2017-03-17 | 2017-08-29 | 박서영 | 연약 지반용 잔디 보호 매트 및 하부 받침 매트의 시공 방법 |
| CN108093723A (zh) * | 2017-12-18 | 2018-06-01 | 俞瑞山 | 腐植酸盐应用于沙土地与沙漠地节水灌溉的方法 |
| US11162229B1 (en) * | 2018-11-07 | 2021-11-02 | Berry Outdoor, LLC | Paver system |
| US11162237B2 (en) | 2019-05-28 | 2021-11-02 | Waskey Bridges, Inc. | Erosion control mat system |
| CN110679228B (zh) * | 2019-11-06 | 2022-05-03 | 中交上海航道勘察设计研究院有限公司 | 一种海堤前沿滩涂湿地及其恢复方法 |
| CA3105767A1 (en) * | 2020-01-15 | 2021-07-15 | Profile Products L.L.C. | Fiber mat with channels |
| USD1021139S1 (en) | 2021-06-07 | 2024-04-02 | American Leak Detection Irrigation, Inc. | Ditch and canal liner |
| US12241217B2 (en) * | 2021-07-06 | 2025-03-04 | Contech Engineered Solutions LLC | Tapered revetment block with leveling pads |
| JP2023087961A (ja) * | 2021-12-14 | 2023-06-26 | ナカダ産業株式会社 | 洗掘防止構造及びその施工方法 |
| CN116482330B (zh) * | 2023-03-13 | 2023-09-19 | 四川省公路规划勘察设计研究院有限公司 | 水源保护区道路施工期人工岛模拟试验装置 |
| SE547160C2 (en) * | 2023-09-05 | 2025-05-06 | Hans Pulls | A system for water drainage and protection in gardens and plantations |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US984121A (en) * | 1910-06-11 | 1911-02-14 | Christopher Columbus Condie | Revetment-mattress. |
| US1834060A (en) * | 1929-06-22 | 1931-12-01 | Woods Brothers Construction Co | River bed protective construction |
| US1991196A (en) * | 1932-02-05 | 1935-02-12 | Atlee C Deer | Bituminous concrete revetment |
| US2158685A (en) * | 1938-02-10 | 1939-05-16 | Jesse W Barker | Back draft vent for ranges |
| FI23994A (fi) * | 1948-02-09 | 1949-11-10 | Keyser De Charles | Element och anordning för stabilisering och förstärkning av jordmånen |
| US3344609A (en) * | 1959-10-23 | 1967-10-03 | Carthage Mills Inc | Prevention of beach erosion and encouragement of land restoration |
| CA744126A (en) * | 1961-11-13 | 1966-10-11 | R. Svee Hallbjorn | Block for making protecting covers on slopes of moles and breakwaters |
| US3176468A (en) * | 1962-02-27 | 1965-04-06 | Takashi Takada | Block for absorbing water flow energy |
| NL6514966A (cs) * | 1965-11-17 | 1967-05-18 |
-
1967
- 1967-12-22 NL NL6717542A patent/NL6717542A/xx unknown
-
1968
- 1968-01-03 NL NL6800032A patent/NL6800032A/xx unknown
- 1968-01-23 NL NL6800961A patent/NL6800961A/xx unknown
- 1968-03-20 NL NL686803917A patent/NL152318B/xx unknown
- 1968-09-12 US US759263A patent/US3597928A/en not_active Expired - Lifetime
- 1968-11-05 IL IL31015A patent/IL31015A/xx unknown
- 1968-11-22 CH CH1745568A patent/CH503841A/de not_active IP Right Cessation
- 1968-11-28 SE SE16277/68A patent/SE356322B/xx unknown
- 1968-11-29 GB GB56730/68A patent/GB1245818A/en not_active Expired
- 1968-12-09 BE BE725148D patent/BE725148A/xx not_active IP Right Cessation
- 1968-12-18 FI FI683645A patent/FI51233C/fi active
- 1968-12-20 FR FR1599393D patent/FR1599393A/fr not_active Expired
- 1968-12-20 DK DK627368AA patent/DK130654B/da not_active IP Right Cessation
-
1976
- 1976-08-12 JP JP1976107121U patent/JPS574410U/ja active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2344178A1 (de) * | 1972-10-06 | 1974-04-11 | Aannemers Comb Zinkwerke | Senkstueck, verfahren zum absenken des senkstueckes und fahrzeug zur durchfuehrung des verfahrens |
| DE2611764A1 (de) * | 1975-03-19 | 1976-09-30 | Nederlanden Staat | Boeschungsverkleidung fuer deiche und sonstige uferschutzwerke |
| AT400460B (de) * | 1984-01-05 | 1996-01-25 | Ebenseer Betonwerke Gmbh | Formstein für gitterförmige flächenbeläge |
| FR2615877A1 (fr) * | 1987-05-27 | 1988-12-02 | Kronimus Betonsteinwerk | Pave en beton a section polygonale ou circulaire |
| DE102016116443A1 (de) * | 2016-09-02 | 2018-03-08 | Zarmutec Gmbh & Co. Kg | Pflasterverbundaufbau |
Also Published As
| Publication number | Publication date |
|---|---|
| SE356322B (cs) | 1973-05-21 |
| IL31015A0 (en) | 1969-01-29 |
| DE1813450A1 (de) | 1969-07-03 |
| NL6800032A (cs) | 1969-07-07 |
| FI51233C (fi) | 1976-11-10 |
| IL31015A (en) | 1972-04-27 |
| BE725148A (fr) | 1969-05-16 |
| US3597928A (en) | 1971-08-10 |
| NL6717542A (cs) | 1969-06-24 |
| JPS574410U (cs) | 1982-01-11 |
| DK130654C (cs) | 1975-08-25 |
| NL6800961A (cs) | 1969-07-25 |
| FR1599393A (cs) | 1970-07-15 |
| DK130654B (da) | 1975-03-17 |
| GB1245818A (en) | 1971-09-08 |
| NL152318B (nl) | 1977-02-15 |
| FI51233B (cs) | 1976-08-02 |
| NL6803917A (cs) | 1969-09-23 |
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