NO133125B - - Google Patents
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- Publication number
- NO133125B NO133125B NO2085/71A NO208571A NO133125B NO 133125 B NO133125 B NO 133125B NO 2085/71 A NO2085/71 A NO 2085/71A NO 208571 A NO208571 A NO 208571A NO 133125 B NO133125 B NO 133125B
- Authority
- NO
- Norway
- Prior art keywords
- profile
- center line
- profile rod
- tongues
- rods
- Prior art date
Links
- 210000002105 tongue Anatomy 0.000 claims description 18
- 238000003466 welding Methods 0.000 description 9
- 238000010276 construction Methods 0.000 description 6
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 229910000838 Al alloy Inorganic materials 0.000 description 2
- 238000005253 cladding Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000004021 metal welding Methods 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/38—Connections for building structures in general
- E04B1/58—Connections for building structures in general of bar-shaped building elements
- E04B1/5825—Connections for building structures in general of bar-shaped building elements with a closed cross-section
- E04B1/5831—Connections for building structures in general of bar-shaped building elements with a closed cross-section of substantially rectangular form
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
- B61D17/00—Construction details of vehicle bodies
- B61D17/04—Construction details of vehicle bodies with bodies of metal; with composite, e.g. metal and wood body structures
- B61D17/043—Construction details of vehicle bodies with bodies of metal; with composite, e.g. metal and wood body structures connections between superstructure sub-units
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D27/00—Connections between superstructure or understructure sub-units
- B62D27/02—Connections between superstructure or understructure sub-units rigid
- B62D27/023—Assembly of structural joints
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D29/00—Superstructures, understructures, or sub-units thereof, characterised by the material thereof
- B62D29/008—Superstructures, understructures, or sub-units thereof, characterised by the material thereof predominantly of light alloys, e.g. extruded
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
- E06B3/96—Corner joints or edge joints for windows, doors, or the like frames or wings
- E06B3/9604—Welded or soldered joints
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/38—Connections for building structures in general
- E04B1/388—Separate connecting elements
- E04B2001/389—Brackets
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Architecture (AREA)
- Structural Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Transportation (AREA)
- Combustion & Propulsion (AREA)
- Civil Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Body Structure For Vehicles (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Description
Foreliggende oppfinnelse angår et hjørnestykke for sveiseforbindelse mellom to hulprofil staver som fortrinnsvis støter sammen i rett vinkel, særlig stolper og vindusbjeiker eller takbjelker i et kjøre-tøykarosseri -av lettmetall, omfattende to stort sett trekantformede sidestykker som strekker'seg parallelt med lengderétningen for den flate på de profil staver som skal forbindes og dekker vinkel-området mellom profil stavene i sideretningen, og som stumpsveises til profilstavene, samt et steg som forbinder de to trekantformede sidestykker langs disses langsider og som fortrinnsvis strekker seg langs en sirkelbue. The present invention relates to a corner piece for a welding connection between two hollow profile rods which preferably collide at right angles, in particular posts and window frames or roof beams in a vehicle body - made of light metal, comprising two largely triangular side pieces which extend parallel to the longitudinal direction of the flat on the profile rods which are to be connected and cover the angle area between the profile rods in the lateral direction, and which are butt-welded to the profile rods, as well as a step which connects the two triangular side pieces along their long sides and which preferably extends along a circular arc.
Forbindelse mellom profilstaver som støter sammen i vinkel, f.eks. Connection between profile rods that butt together at an angle, e.g.
i veggkonstruksjoner, er hittil i et stort antall tilfeller fremkommet ved anbringelse av knutestykker, som enten er fastsveiset, fastnaglet eller påskrudd. Særskilt i de to siste tilfeller oppstår det fremspringende deler (nagle- eller skruehoder)} men også påsveisede knutestykker kan springe frem utenfor sideplanene for den opprettede konstruksjon, og dette vanskeliggjør f.eks. anbringelse av kledningselementer. Bare direkte -sammensveising av selve profilstavene hvorved alltid fremspringende deler kan unngås, in wall constructions, has so far in a large number of cases resulted from the placement of knot pieces, which are either welded, riveted or screwed on. Particularly in the last two cases, projecting parts occur (rivet or screw heads)} but also welded-on knot pieces can protrude beyond the side planes of the constructed construction, and this makes it difficult, for example, placement of cladding elements. Only direct welding of the profile rods themselves, whereby protruding parts can always be avoided,
oppfyller i de fleste tilfeller imidlertid ikke de mekaniske holdfasthetskrav til konstruksjonen, når denne må oppta vesentlige belastninger, hvilket som oftest er tilfelle for kjøretøykarosserier. in most cases, however, does not meet the mechanical strength requirements for the structure, when it has to absorb significant loads, which is most often the case for vehicle bodies.
Hjørnestykker er derfor blitt innlagt i den vinkel som de sammen-støtende profilstaver danner, f.eks. i form av et tilsvarende tilskåret avsnitt av en I-profil, hvorved I-formens flenser sveises i kantanlegg med de flenser av hulprofilen som forløper i samme plan. Da tverrsveisesømmer må unngås særskilt ved lettmetall-sveisekonstruksjoner, må eh tilfredsstillende forbindelse oppnås bare ved hjelp av nevnte langsgående kantsveiseforbindelse mellom vedkommende flenser. Disse sveisesømmer ligger imidlertid alle i soner som er utsatt for sterk belastning. Særskilt utsatte er de steder hvor endene av hjørnestykket slutter seg til de profiler som skal forbindes. På disse steder foreligger det plutselige tverrsnittsforandringer og her ligger også forøvrig endene av sveisesømmene. Corner pieces have therefore been inserted at the angle formed by the colliding profile rods, e.g. in the form of a corresponding cut-to-size section of an I-profile, whereby the flanges of the I-shape are welded in edge systems with the flanges of the hollow profile which run in the same plane. Since transverse welding seams must be avoided especially in light metal welding constructions, a satisfactory connection must be achieved only by means of said longitudinal edge welding connection between the respective flanges. However, these welds are all located in zones that are exposed to heavy loads. Separately exposed are the places where the ends of the corner piece join the profiles to be connected. In these places there are sudden cross-sectional changes and here are also the ends of the weld seams.
Det har også vært foreslått å benytte stort sett skålformede hjørnestykker som omslutter skjøtstedene på hulprofilstavene og hvis stort sett trekantede buede sidestykker ved langsidene går over i et steg.som ved de fri ender er forlenget med en tunge som er noe smalere enn den tilstøtende profilstav og er anordnet symmetrisk i forhold til profilstavens senterlinje, idet kantene, på tungene sveises fast.til vedkommende profilstav-f1ate. Denne konstruksjon har den ulempe a-t det som følge av den skålformede buede utformning av sidedelene, slik tilfellet også er ved andre tidligere kjente konstruksjoner, blir partier som rager ut fra den flate som dannes av sideflatene på hulprofilstavene og at lengdekantene på tungene er fastsveiset til hulprofilstavene i de' forholdsvis sterkt belastede partier av disse. It has also been proposed to use mostly bowl-shaped corner pieces that enclose the joints of the hollow profile rods and whose mostly triangular curved side pieces at the long sides transition into a step, which at the free ends is extended with a tongue that is somewhat narrower than the adjacent profile rod and is arranged symmetrically in relation to the center line of the profile rod, as the edges of the tongues are welded to the relevant profile rod flange. This construction has the disadvantage that, as a result of the bowl-shaped curved design of the side parts, as is also the case with other previously known constructions, there are parts that protrude from the surface formed by the side surfaces of the hollow profile rods and that the longitudinal edges of the tongues are welded to the hollow profile rods in the relatively heavily loaded parts of these.
Foreliggende oppfinnelse går ut på en konstruksjon- hvormed disse ulemper unngås-, og dette oppnås ved et hjørnestykke av den Innledningsvis nevnte art ved at steget på i og for seg kjent måte er forlenget ved sine to fri ender ut over sidedelenes utstrekning med minst en. tunge som er smalere enn den tilstøtende profilstavflate, idet tungene er forsatt, sideveis i forhold til senterlinjen for vedkommende profilstav og idet en tungelangside som strekker seg parallelt, med profilstav-senterlin-jen er innrettet til å sveises til vedkommende profilstavflate langs dennes senterlinje! The present invention is based on a construction - with which these disadvantages are avoided - and this is achieved by a corner piece of the type mentioned in the introduction, in that the step is extended in a manner known per se at its two free ends beyond the extent of the side parts by at least one. tongue which is narrower than the adjacent profile rod surface, as the tongues are offset, laterally in relation to the center line of the relevant profile rod and as a tongue length side that extends parallel, with the profile rod centreline, is arranged to be welded to the respective profile rod surface along its centreline!
Herved oppnås en avlastning av de kritiske sammenkoblingssteder på steget, idet de langsgående sveisesømmer. som forbinder' tungene med de tilstøtende profilstavvegger eller -flater er anordnet i de minst belastede partier, dvs. langs det nøytrale parti- av profil-tverrsnittet. H-j ørnes tykket i henhold til oppfinnelsen egner seg derfor.spesielt godt for- forbindelse av hulprofil staver av lettmetall. For ytterligere å forbedre forbindelsen mellom hjørnestykket og hulprofil stavene kan'hjørnestykket være forsterket'med ytterligere tverrsteg i det indre av det hulrom som dannes av sidestykkene og steget. This achieves relief from the critical connection points on the step, as the longitudinal weld seams. which connect the tongues with the adjacent profile rod walls or surfaces are arranged in the least stressed parts, i.e. along the neutral part of the profile cross-section. The thickness of the H-j ørnes according to the invention is therefore particularly suitable for connection of hollow profile rods made of light metal. In order to further improve the connection between the corner piece and the hollow profile rods, the corner piece can be reinforced with additional transverse steps in the interior of the cavity formed by the side pieces and step.
Oppfinnelsen vil bli nærmere forklart ved hjelp av utførelseseksempel og under henvisning til de vedføyde tegninger. Disse viser i fig. 1 i perspektiv sveiseforbindelsen ved hjelp av hjørnestykker mellom en vindusbjelke og en stolpeprofil, f.eks. i et buss-karosseri. The invention will be explained in more detail with the help of design examples and with reference to the attached drawings. These show in fig. 1 in perspective the welding connection using corner pieces between a window beam and a post profile, e.g. in a bus body.
Fig. 2 viser en lignende forbindelse mellom stolpe og takbjelke, f.eks. i et buss-karosseri. Fig. 2 shows a similar connection between post and roof beam, e.g. in a bus body.
De to hulprofilstaver, som fortrinnsvis er ekstruderte stangprofil er av en aluminiumslegering, og som utgjør en vindusbjelke 1 og en stolpe 2, støter sammen i rett vinkel, idet enden av vindusbjelken 1 er forbundet med langsiden av stolpeprofil et 2 ved hjelp av sveisesømmen 3. De to profiler er i veggplanet utstyrt med fremspringende flenser 4, som utnyttes for sveiseforbindelse mellom hjørnestykkene 5 og profil stavene 1, .2. The two hollow profile rods, which are preferably extruded rod profiles are made of an aluminum alloy, and which form a window beam 1 and a post 2, collide at right angles, the end of the window beam 1 being connected to the long side of the post profile et 2 by means of the welding seam 3. The two profiles are equipped in the wall plane with protruding flanges 4, which are used for the welding connection between the corner pieces 5 and the profile rods 1, .2.
Hjørnestykket 5 består av hovedsakelig trekantformede sidestykker The corner piece 5 consists of mainly triangular side pieces
6 som ligger i parallelle plan i utstrekningen av profilstavene 1, 2. Tykkelsen av disse, sidestykker tilsvarer stort sett tykkelsen av de korte flenser 4, som: sidedelene ligger an mot, kant mot kant. Der hvor sidedelene skal sammensveises med flensene 4 (ved 7), er 6 which lie in parallel planes in the extent of the profile rods 1, 2. The thickness of these side pieces largely corresponds to the thickness of the short flanges 4, which: the side parts lie against each other, edge to edge. Where the side parts are to be welded together with the flanges 4 (at 7), is
de førstnevnte noe innskåret for å gi plass til sveisesømmen. Den lengste side 8 av sidedel-trekanten har fortrinnsvis form av en konkav sirkelbue og tilpasses herunder de vanligvis avrundede hjørner, f.eks. for den vindusrute som skal innsettes (ikke vist på tegningene). Ved disse langsider 8 er de to sidestykker 6 forbundet ved hjelp av et steg 9. Disse er utformet etter langsidene 8 og er således i foreliggende utførelseseksempel også krummet i sirkelform i sin lengderetning. the former somewhat incised to make room for the weld seam. The longest side 8 of the side part triangle preferably has the shape of a concave circular arc and is adapted below the usually rounded corners, e.g. for the window pane to be inserted (not shown in the drawings). At these long sides 8, the two side pieces 6 are connected by means of a step 9. These are designed after the long sides 8 and are thus in the present embodiment also curved in a circular shape in their longitudinal direction.
Hver av de to frie ender av steget er forlenget med minst en tunge 10 utover anleggsstedene mot endene av sidestykket 6. Disse tunger er nedfort i forsenkningen mellom de fremspringende flenser Each of the two free ends of the step is extended by at least one tongue 10 beyond the contact points towards the ends of the side piece 6. These tongues are lowered into the depression between the projecting flanges
4 på henhv. stolpe- og vindusbjelkeprofilet, således at innsetting av f.eks. vinduer ikke forhindres. Bredden av tungene tilsvarer hovedsakelig den halve innbyrdes avstand mellom de korte flenser 4,- således at tungenes ene langside 11 faller, omtrent i midtlinjen for den vegg av vedkommende hulprofil som vender mot hjørnestykket. Den langside 11 som blir liggende i dette område forbindes med veggen av hulprofilet ved hjelp av en avlastningssveisesøm 12. 4 on the respective the post and window beam profile, so that the insertion of e.g. windows are not prevented. The width of the tongues mainly corresponds to half the mutual distance between the short flanges 4, so that one long side 11 of the tongues falls, approximately in the center line of the wall of the hollow profile in question which faces the corner piece. The long side 11 that remains in this area is connected to the wall of the hollow profile by means of a relief welding seam 12.
Når bare en tunge 10 er anordnet ved hver av de fri ender av steget 9, er disse -to tunger fortrinnsvis, slik som antydet på tegningen, plassert på hver sin side av den midtlinje for hjørnestykket som forløper i prof 3:1 stavenes lengderetning.. Dette muliggjør plassering av endestykleet uten at man behøver åu ta hensyn til tungenes stilling. When only one tongue 10 is arranged at each of the free ends of the step 9, these two tongues are preferably, as indicated in the drawing, placed on either side of the center line of the corner piece which runs in the longitudinal direction of the prof 3:1 rods. This enables placement of the end piece without having to take into account the position of the tongues.
I stedet for en tunge 10 ved; hver fri ende av steget 9 kan det også være anordnet to tunger. Disse er da adskilt ved en sliss av til strekkelig .bredde i det nevnte midtlinjeområde, således at slissen tilsvarer avlastningssveisesømmens bredde. ;-Hvis nødvendig kan hjørnestykket være avstivet i hulrommet mellom sidedelene og steget ved-hjelp av ytterligere tverrsteg, som. ikke er vist på tegningen. Instead of a heavy 10 wood; each free end of the step 9 can also be arranged with two tongues. These are then separated by a slot of a continuous width in the said center line area, so that the slot corresponds to the width of the relief weld seam. ;-If necessary, the corner piece can be braced in the cavity between the side parts and the step with the help of additional cross steps, such as. is not shown in the drawing.
Fortrinnsvis er hjørnestykket- utført som en støpt eller ekstrudert enhet av en. aluminiumslegerlag. Ved hjelp av en sådan enhet er det mulig å frembringe en-sveiseforbindelse mellom to profilstaver som støter sammen i en vinkel, på~ en slik måte at den tilfredsstiller høye -mekaniske, krav. Preferably, the corner piece is made as a molded or extruded unit of a. aluminum alloy layer. With the aid of such a unit, it is possible to produce a one-weld connection between two profile rods that collide at an angle, in such a way that it satisfies high mechanical requirements.
PATENTKRAV PATENT CLAIMS
1. Hjørnestykke for sveiseforbindel se- mellom to hulprdf il staver som fortrinnsvis star i rett vinkel til hverandre, særlig- stolper og vindusbjelker eller takbjelker i e.t kjøretøykarosseri av lettmetall, omfattende to stort sett trekantformede sidestykker som strekker seg parallelt med lengderetningen for den flate på de profilstaver som skal forbindes og. dekker vinkelen-mellom disse-profil staver i sider etningen og som stumpsveises til pr ofil stavene samt et steg som forbinder de to sidestykker ved disses langsider og som fortrinnsvis strekker seg langs en srrkelbue, 1. Corner piece for welding connection see- between two hole-shaped rods that preferably stand at right angles to each other, especially posts and window beams or roof beams in a vehicle body made of light metal, comprising two largely triangular side pieces that extend parallel to the longitudinal direction of the flat on the profile rods to be connected and. covering the angle-between these-profile rods in the sides of the joint and which are butt-welded to the profile rods as well as a step that connects the two side pieces at their long sides and which preferably extends along a circular arc,
Claims (2)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH879870A CH506746A (en) | 1970-06-11 | 1970-06-11 | Corner piece for the welded connection of two hollow profile rods that meet at an angle |
Publications (2)
Publication Number | Publication Date |
---|---|
NO133125B true NO133125B (en) | 1975-12-08 |
NO133125C NO133125C (en) | 1976-03-17 |
Family
ID=4344854
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NO2085/71A NO133125C (en) | 1970-06-11 | 1971-06-03 |
Country Status (15)
Country | Link |
---|---|
AT (1) | AT310236B (en) |
BE (1) | BE767387A (en) |
CH (1) | CH506746A (en) |
DE (2) | DE2128281B2 (en) |
ES (1) | ES196205Y (en) |
FI (1) | FI57065C (en) |
FR (1) | FR2096197A5 (en) |
GB (1) | GB1302659A (en) |
HU (1) | HU165749B (en) |
NL (1) | NL7107134A (en) |
NO (1) | NO133125C (en) |
PL (1) | PL76707B1 (en) |
SE (1) | SE378570B (en) |
YU (1) | YU34581B (en) |
ZA (1) | ZA713635B (en) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5343618U (en) * | 1976-09-18 | 1978-04-14 | ||
JPS5434911U (en) * | 1977-08-15 | 1979-03-07 | ||
CH627982A5 (en) * | 1977-11-03 | 1982-02-15 | Alusuisse | CAR BOX CONSTRUCTION FOR ROAD OR RAIL VEHICLES FOR PASSENGER TRANSPORT. |
DE4040946C1 (en) * | 1990-12-20 | 1992-03-05 | Audi Ag, 8070 Ingolstadt, De | |
JP3357201B2 (en) * | 1994-10-19 | 2002-12-16 | 本田技研工業株式会社 | Car body front structure |
DE19708214C2 (en) * | 1997-02-28 | 1998-08-13 | Audi Ag | Support structure of a motor vehicle body with hollow profile beams |
US8070216B2 (en) | 2008-03-27 | 2011-12-06 | Nova Bus, Division De Groupe Volvo Canada Inc. | Vehicle frame with stress relief feature |
US8899868B2 (en) * | 2010-06-07 | 2014-12-02 | Roger Blaine Trivette | Miter coupling and method |
CN104863272B (en) * | 2015-05-29 | 2018-03-20 | 重庆大学 | Special-shaped cold-formed thin-walled steel pipe concrete column cold bending thin wall steel beam with box shape frame joint |
CN107816131A (en) * | 2017-11-07 | 2018-03-20 | 北京工业大学 | It is a kind of can drawing-in wire double web H type frame structure of aluminum alloy |
CN108131994A (en) * | 2018-02-11 | 2018-06-08 | 北京汽车研究总院有限公司 | A kind of weld seam barrier propterty reinforced structure and vehicle |
CN112441144B (en) * | 2019-08-30 | 2022-03-18 | 比亚迪股份有限公司 | Vehicle body framework connects and has its vehicle |
-
1970
- 1970-06-11 CH CH879870A patent/CH506746A/en not_active IP Right Cessation
-
1971
- 1971-05-19 BE BE767387A patent/BE767387A/en unknown
- 1971-05-25 NL NL7107134A patent/NL7107134A/xx not_active Application Discontinuation
- 1971-05-27 GB GB1757571A patent/GB1302659A/en not_active Expired
- 1971-05-27 SE SE7106875A patent/SE378570B/xx unknown
- 1971-06-03 AT AT482071A patent/AT310236B/en not_active IP Right Cessation
- 1971-06-03 NO NO2085/71A patent/NO133125C/no unknown
- 1971-06-04 ZA ZA713635A patent/ZA713635B/en unknown
- 1971-06-07 DE DE2128281A patent/DE2128281B2/en not_active Withdrawn
- 1971-06-07 DE DE19717122043U patent/DE7122043U/en not_active Expired
- 1971-06-08 YU YU1469/71A patent/YU34581B/en unknown
- 1971-06-08 PL PL1971148669A patent/PL76707B1/pl unknown
- 1971-06-09 ES ES1971196205U patent/ES196205Y/en not_active Expired
- 1971-06-10 FR FR7121133A patent/FR2096197A5/fr not_active Expired
- 1971-06-10 FI FI1639/71A patent/FI57065C/en active
- 1971-06-11 HU HUSCHE337*1A patent/HU165749B/hu unknown
Also Published As
Publication number | Publication date |
---|---|
NL7107134A (en) | 1971-12-14 |
PL76707B1 (en) | 1975-02-28 |
FI57065B (en) | 1980-02-29 |
AT310236B (en) | 1973-09-25 |
SE378570B (en) | 1975-09-08 |
ZA713635B (en) | 1972-02-23 |
FR2096197A5 (en) | 1972-02-11 |
YU34581B (en) | 1979-10-31 |
YU146971A (en) | 1979-04-30 |
ES196205U (en) | 1975-02-16 |
DE2128281A1 (en) | 1971-12-16 |
DE7122043U (en) | 1971-12-02 |
NO133125C (en) | 1976-03-17 |
CH506746A (en) | 1971-04-30 |
ES196205Y (en) | 1975-07-01 |
HU165749B (en) | 1974-10-28 |
DE2128281B2 (en) | 1981-05-14 |
GB1302659A (en) | 1973-01-10 |
FI57065C (en) | 1980-06-10 |
BE767387A (en) | 1971-10-18 |
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