EP0393090B1 - Bausatz zur herstellung von tragwerken - Google Patents

Bausatz zur herstellung von tragwerken Download PDF

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Publication number
EP0393090B1
EP0393090B1 EP88910012A EP88910012A EP0393090B1 EP 0393090 B1 EP0393090 B1 EP 0393090B1 EP 88910012 A EP88910012 A EP 88910012A EP 88910012 A EP88910012 A EP 88910012A EP 0393090 B1 EP0393090 B1 EP 0393090B1
Authority
EP
European Patent Office
Prior art keywords
chambers
kit according
slots
assemblage
bead
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 - Lifetime
Application number
EP88910012A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0393090A1 (de
Inventor
Johannes Ernst Otto Staeger
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.)
Octanorm Vertriebs GmbH fuer Bauelemente
Original Assignee
Octanorm Vertriebs GmbH fuer Bauelemente
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 Octanorm Vertriebs GmbH fuer Bauelemente filed Critical Octanorm Vertriebs GmbH fuer Bauelemente
Priority to AT88910012T priority Critical patent/ATE80684T1/de
Publication of EP0393090A1 publication Critical patent/EP0393090A1/de
Application granted granted Critical
Publication of EP0393090B1 publication Critical patent/EP0393090B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
    • E04B1/19—Three-dimensional framework structures
    • 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
    • E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
    • E04B1/19—Three-dimensional framework structures
    • E04B1/1903—Connecting nodes specially adapted therefor
    • E04B1/1909—Connecting nodes specially adapted therefor with central cylindrical connecting element
    • 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
    • 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
    • E04B1/5837—Connections for building structures in general of bar-shaped building elements with a closed cross-section of substantially circular form
    • E04B1/5843—Connections for building structures in general of bar-shaped building elements with a closed cross-section of substantially circular form with ends provided with protuberances
    • 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
    • E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
    • E04B1/19—Three-dimensional framework structures
    • E04B2001/1924—Struts specially adapted therefor
    • E04B2001/1927—Struts specially adapted therefor of essentially circular cross section
    • E04B2001/193—Struts specially adapted therefor of essentially circular cross section with flattened connecting parts, e.g. ends
    • 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
    • E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
    • E04B1/19—Three-dimensional framework structures
    • E04B2001/1957—Details of connections between nodes and struts
    • E04B2001/1966—Formlocking connections other than screw connections
    • 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
    • E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
    • E04B1/19—Three-dimensional framework structures
    • E04B2001/1981—Three-dimensional framework structures characterised by the grid type of the outer planes of the framework
    • E04B2001/1984—Three-dimensional framework structures characterised by the grid type of the outer planes of the framework rectangular, e.g. square, grid
    • 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
    • E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
    • E04B1/19—Three-dimensional framework structures
    • E04B2001/1993—Details of framework supporting structure, e.g. posts or walls
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T403/00—Joints and connections
    • Y10T403/34—Branched
    • Y10T403/341—Three or more radiating members
    • Y10T403/342—Polyhedral
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T403/00—Joints and connections
    • Y10T403/34—Branched
    • Y10T403/341—Three or more radiating members
    • Y10T403/342—Polyhedral
    • Y10T403/343—Unilateral of plane

Definitions

  • the invention relates to a kit for the production of structures according to the preamble of claim 1.
  • a supporting structure is known (DE-GM 83 30 969), which is used to build a scaffold.
  • a spherical connecting node is provided with four outer surfaces, each at an angle of 90 ° to one another, in which in each of the outer sides there is a slot which is open on one side and widens inward in a T-profile manner. In these open slots can be inserted matching the profile of the T-slot hanging heads, which are provided on the end faces of the support rods.
  • the connecting node has a central thread, with which it can be inserted into these support tubes with the aid of screw bolts which are provided in support tubes which are aligned with the thread.
  • an end plate is provided, which holds the hanging heads by means of an intermediate piece, which also serves as a fastening aid for turning the screw bolts, when the connecting knot is screwed onto the associated vertical support tube.
  • the scaffolds constructed in this way can only consist of vertical and horizontal bars that are perpendicular to each other. The construction of such a framework is time-consuming due to the necessary screwing work. The overall arrangement is also complex because of the large number of parts required and because of their mutual assembly.
  • a kit of the type mentioned at the outset is also known (DD-A-98 330), which provides a connecting node for support rods, which is provided with a plurality of mutually parallel slots which are open on one side and into which hook-in heads attached to the end of the support rods engage with a positive fit, that are wider than the slots.
  • These suspension heads are held in the approximately cylindrical chambers into which the slots merge inwards by a disk covering the free side of the slots.
  • the suspension heads are designed as thickened portions on the flat-crimped ends of the support rods, which correspond to the length of the chambers and are adapted to the cross-section of the chambers.
  • a kit of this type enables a supporting structure to be set up simply because the supporting rods need only be inserted with their ends into the cylindrical chambers.
  • the cross-section of the chambers must be designed to be somewhat larger than the cross-section of the thickening at the ends of the support rods if the support rods are to be easily and simply hung in, the structure of a structure produced in this way, however, adds up depending on the tensile forces that occur. or compressive forces, the tolerances at all connection points, for example an upper and a lower flange of a structural ceiling, so that sag is unavoidable regardless of an additional load.
  • the invention has for its object, in particular for use in trade fair construction, to provide a kit for the manufacture of structures in which such sag can be avoided without affecting the simple assembly and the stability of the structure.
  • connection nodes each of which is used at the connection points of a structure that are subjected to tensile or compressive forces.
  • tension or compression knots are designed that the side of the chambers on which the bulge-like thickenings of the support rods lie, no tolerances occur because the chamber wall is arranged offset by the amount resulting from the tolerances.
  • the sag of a structure caused by tolerances can be avoided. But there is enough play for easy insertion of the suspension heads of the support rods, so that the structure of the structure is very simple and quick.
  • the locally occurring force can be kept low due to the positive engagement occurring on relatively large surfaces, especially if the thickenings are designed as an approximately cylindrical bead. It is possible in this way to use materials of lower strength than are usually used for support systems for the connection node as well as for the support rods, without the stability of the structure being impaired.
  • the train connector and pressure connector can be manufactured in a simple manner in that the central axes of the cylindrical chambers lie on a diameter which is smaller in the train connector by the amount resulting from the permissible tolerances compared to the corresponding diameter in the pressure connector.
  • the support tube remains despite a cylindrical end piece including its hanging part. in one piece. This makes production easier and there are no problems at connection points between the hanging parts and the actual support tube.
  • the supporting rods can also be laid in different planes from the connecting node with a common connecting node, which makes it possible in a simple manner to form pyramidal or tetrahedral basic elements for the supporting structure. In all cases, it is sufficient to bulge from one side as a result of the rolling in of the free ends of the squeezed tubes insert into the chambers of the connecting node and then secure in these chambers by a screwed-on washer, which can be designed in a particularly simple manner according to the features of claims 7 and 8.
  • FIGS. 7 and 8 show a basic element for the production of a supporting structure which is produced from a kit according to the invention and which, as will be explained with reference to FIG. 9, can be combined with other similar basic structural elements to form a supporting structure.
  • four support rods (1) are provided in the bottom plane of a pyramid with a square base and with four soap surfaces in the form of isosceles triangles, each of which is held at its ends in profile pieces (3), the Structure will be explained with reference to FIGS. 7 and 8. From these profile pieces (3) sitting at the corners of the square, four support rods (2) extend diagonally upwards to the center of the pyramid, in whose perpendicular central axis (11) is a fifth profile piece (3).
  • the support rods (2) run at an angle ( ⁇ ) to the base, which is 37.5 ° in the embodiment.
  • the angle ( ⁇ ) in the top view of FIG. 2 is 45 °.
  • each of the support rods (1) consists of a tube which is squeezed flat at both ends and there is provided with flat areas (1a) which merge into an approximately cylindrical bead (8) .
  • the axis (12) of the two beads (8) is perpendicular to the axis (1 ') of the tube (1).
  • the beads (8) are formed by rolling in the free end (1b) (Fig. 8) of the flat end regions (1a) of the tubes (1). This has the advantage of one-piece and simple manufacture of the tubes (1) including their connection areas.
  • FIGS. 7 and 8 it is sufficient for the construction of the basic elements of FIGS. 1 and 2 - and of course also for the attachment of further supporting rods to a supporting structure - the supporting rods (1) or, analogously, to insert the support rods (2) with their bulges (8) into cylindrical chambers (6) on the end face in order to thereby secure the support tubes (1) on the profile part (3).
  • the profile part (3) is formed in the embodiment as a drawn profile piece with an axial length (h), which corresponds to the height (h) of the beads (8, 8 ') of the support rods (1 and 2).
  • this drawn profile piece which can consist of aluminum, for example, slots (4) are evenly distributed over the circumference, each opening into associated cylindrical chambers (6), the axes of which are parallel to the slots (4) and parallel to the axis (13) of the otherwise cylindrical profile piece (3).
  • the width of the slots (4) leading outward from the chambers (6) is somewhat larger than the width of the flat-crimped end regions (1a) of the support tubes (1 or 2).
  • the diameter of the chambers (6) corresponds approximately to the diameter of the beads (8 or 8 '), which arise when rolling the free ends (1b) of the flat-crimped end regions (1a). In this way, despite a slight play, which serves for easy insertion of the beads into the chambers, after inserting the beads (8 or 8 ') in the profile piece (3) there is a certain positive engagement, which is sufficient to the support rods ( 1 or 2) on the profile piece (3).
  • the interlocking surfaces of the beads (8, 8 ') and the chambers (6) are relatively large. Since the surface pressure can thereby be kept relatively small, it is also possible to produce the support tubes (1 and 2) from aluminum.
  • the structure produced with the kit according to the invention can therefore be relatively light. This is important, for example, in the manufacture of trade fair and exhibition buildings, where the individual parts required for assembly have to be transported to other locations before assembly and after dismantling. Also the handling of light individual parts it's easier.
  • the profile piece (3) is closed on its underside by a disc (5a) of the same diameter as the profile piece (3). It can be completed at the top by a further disc (5) which is identical to the disc (5a) when all the beads (8 or 8 ') of the supporting rods (1 or 2) required for the assembly are inserted in the profile piece.
  • the disc (5) is provided in its center with a fixed screw (9) which can be screwed into a corresponding thread of a bore (14) running through the profile piece (3).
  • the washer (5) - and analogously the washer (5a) - is provided with knurling (15) on its periphery, so that it can be screwed into the thread (10) easily and quickly by hand.
  • a recess (16) which is also provided for attaching a tool and which can also be in the form of an Allen opening, finally enables a firm screwing together.
  • a supporting structure according to FIG. 9 can be produced on the basis of the basic elements shown there, in each case following the supporting rods (1) laid in the base area of the pyramid of the basic element and in alignment therewith the support rods (1) of an adjacent pyramid can be laid and the tips of the two adjacent pyramids can be joined by a connecting piece (17), which in turn consists of a support rod (1).
  • a connecting piece (17) which in turn consists of a support rod (1).
  • the eight rotationally symmetrical chambers arranged in the profile piece (3) make it possible to arrange up to eight support rods in a plane perpendicular to the axis of the profile piece (3) or at an angle ( ⁇ ), the angle ( ⁇ ) also being kept variable can. It has been shown, however, that a kit consisting of the two support tubes (1 and 2) according to FIGS. 3 to 6 and from the profile piece (3) with the disks (5, 5a), possibly with the aforementioned diagonal struts, is sufficient in order to be able to implement all of the structural structures that are generally required.
  • connection nodes which are basically of the same structure, but differ from one another in the dimensions (A and D) shown in FIG. 8 9, - a downward-supported ceiling - so-called tension connector (3 ⁇ ) and pressure connector (3 ') provided, each in the lower flange of the structure - tension connector (3 ⁇ ) - or in the upper flange - pressure connector (3 ') -to be built in.
  • tension connector (3 ⁇ ) and pressure connector (3 ') provided, each in the lower flange of the structure - tension connector (3 ⁇ ) - or in the upper flange - pressure connector (3 ') -to be built in.
  • the dimension (D) for the tension connector (3 ⁇ ) can be, for example, approximately 31.5 mm, in contrast to 33.5 mm for the pressure connector. Therefore, diameters for the chambers (6) of approximately 9 mm were provided. The total permissible tolerances are around 1 mm per connection node (clearance between each bead and chambers approx. 0.25 mm), so that the difference for the diameter dimension (D) is 2 mm.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Joining Of Building Structures In Genera (AREA)
  • Tents Or Canopies (AREA)
  • Rod-Shaped Construction Members (AREA)
  • Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
  • Surgical Instruments (AREA)
  • Reinforcement Elements For Buildings (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
  • Conveying And Assembling Of Building Elements In Situ (AREA)
  • Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
  • Toys (AREA)
  • Working Measures On Existing Buildindgs (AREA)
  • Pivots And Pivotal Connections (AREA)
  • Mutual Connection Of Rods And Tubes (AREA)
EP88910012A 1988-01-12 1988-11-12 Bausatz zur herstellung von tragwerken Expired - Lifetime EP0393090B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT88910012T ATE80684T1 (de) 1988-01-12 1988-11-12 Bausatz zur herstellung von tragwerken.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3800547A DE3800547A1 (de) 1988-01-12 1988-01-12 Bausatz zur herstellung von tragwerken
DE3800547 1988-01-12

Publications (2)

Publication Number Publication Date
EP0393090A1 EP0393090A1 (de) 1990-10-24
EP0393090B1 true EP0393090B1 (de) 1992-09-16

Family

ID=6345069

Family Applications (1)

Application Number Title Priority Date Filing Date
EP88910012A Expired - Lifetime EP0393090B1 (de) 1988-01-12 1988-11-12 Bausatz zur herstellung von tragwerken

Country Status (25)

Country Link
US (2) US4951440A (xx)
EP (1) EP0393090B1 (xx)
JP (1) JPH0718193B2 (xx)
KR (1) KR0138523B1 (xx)
CN (1) CN1028442C (xx)
AR (1) AR247263A1 (xx)
AT (1) ATE80684T1 (xx)
AU (1) AU607031B2 (xx)
BG (1) BG60113B2 (xx)
BR (1) BR8807418A (xx)
CA (1) CA1314126C (xx)
DE (4) DE8816884U1 (xx)
DK (1) DK164559C (xx)
ES (1) ES2011533A6 (xx)
FI (1) FI92508C (xx)
GR (1) GR1000673B (xx)
HU (1) HU209169B (xx)
IE (1) IE61779B1 (xx)
IN (1) IN168282B (xx)
NO (1) NO170948C (xx)
OA (1) OA09089A (xx)
RU (1) RU1794151C (xx)
TR (1) TR24459A (xx)
UA (1) UA9868A (xx)
WO (1) WO1989006724A1 (xx)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19714996C2 (de) * 1997-04-10 2001-01-25 Octanorm Vertriebs Gmbh Gitterträger zur Herstellung mobiler Bauten
DE102006059887A1 (de) 2006-12-19 2008-07-03 Bfe Studio Und Medien Systeme Gmbh Profil für Profilsysteme

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DE9211330U1 (de) * 1992-08-21 1993-02-18 Aurich, Winfried, O-8060 Dresden Flexibles, universelles Holzbauelement, insbesondere zur Errichtung von Raumzellen und Montagemöbel
US5291708A (en) * 1992-09-28 1994-03-08 Packer Plastics, Incorporated Modular framing system
US5356234A (en) * 1992-10-26 1994-10-18 506567 Ontario Limited Separable joint for arm and hub constructions
DE4444428C2 (de) * 1994-06-14 1996-12-19 Christoph Otmar Mudrack Verbindungselemente
US5529423A (en) * 1994-09-19 1996-06-25 Hutterian Brethren In New York, Inc. Connector and cap assembly for loft construction
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US5626434A (en) * 1995-08-21 1997-05-06 Cook; Robert W. Connector for variable-curvature spaceframe structural system
DE19544076C1 (de) * 1995-11-25 1997-04-30 Expo Mart Inc Bausatz zur Herstellung von Tragwerken aus Tragstangen und Verbindungselementen
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EP1893060A4 (en) * 2005-05-17 2009-11-04 Gal Indyk CONNECTING ELEMENTS FOR CONSTRUCTION
DE202005017822U1 (de) * 2005-11-14 2006-04-06 Schneider, Michael Scheibe mit Schlüssellöchern, Sicherungsbügel und Stangen zur Konstruktion geodätischer Gerüststrukturen
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KR101454673B1 (ko) * 2013-11-25 2014-10-27 주식회사백상 텐트형 가설 건축물
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CN104314181B (zh) * 2014-10-22 2016-07-06 浙江大学 拱顶石油储罐网壳顶杆间节点
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CN105350756A (zh) * 2015-11-26 2016-02-24 重庆钢星建筑工程有限公司 脚手架
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JPH0718193B2 (ja) 1995-03-01
NO893602L (no) 1989-09-08
FI92508B (fi) 1994-08-15
HUT59189A (en) 1992-04-28
FI92508C (fi) 1994-11-25
CN1034601A (zh) 1989-08-09
DE3800547A1 (de) 1989-07-27
IE890061L (en) 1989-07-12
BG60113B2 (bg) 1993-10-29
FI894243A0 (fi) 1989-09-08
RU1794151C (ru) 1993-02-07
NO170948C (no) 1992-12-30
DE8816884U1 (de) 1991-02-07
AU2781889A (en) 1989-08-11
EP0393090A1 (de) 1990-10-24
ATE80684T1 (de) 1992-10-15
UA9868A (uk) 1996-09-30
AU607031B2 (en) 1991-02-21
CA1314126C (en) 1993-03-09
BR8807418A (pt) 1990-05-15
AR247263A1 (es) 1994-11-30
GR1000673B (el) 1992-09-25
DE3874755D1 (de) 1992-10-22
JPH02500457A (ja) 1990-02-15
OA09089A (fr) 1991-10-31
HU886772D0 (en) 1992-02-28
TR24459A (tr) 1991-10-10
KR900700704A (ko) 1990-08-16
WO1989006724A1 (fr) 1989-07-27
NO893602D0 (no) 1989-09-08
CN1028442C (zh) 1995-05-17
DE3804792A1 (de) 1989-11-02
DK419189A (da) 1989-08-25
DK164559C (da) 1992-11-30
DK164559B (da) 1992-07-13
ES2011533A6 (es) 1990-01-16
US5101607A (en) 1992-04-07
DK419189D0 (da) 1989-08-25
HU209169B (en) 1994-03-28
KR0138523B1 (ko) 1998-07-01
IN168282B (xx) 1991-03-02
IE61779B1 (en) 1994-11-30
US4951440A (en) 1990-08-28
NO170948B (no) 1992-09-21

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