IT7819641A0 - Giunto inchiavettato. - Google Patents

Giunto inchiavettato.

Info

Publication number
IT7819641A0
IT7819641A0 IT7819641A IT1964178A IT7819641A0 IT 7819641 A0 IT7819641 A0 IT 7819641A0 IT 7819641 A IT7819641 A IT 7819641A IT 1964178 A IT1964178 A IT 1964178A IT 7819641 A0 IT7819641 A0 IT 7819641A0
Authority
IT
Italy
Prior art keywords
keyed joint
keyed
joint
Prior art date
Application number
IT7819641A
Other languages
English (en)
Other versions
IT1092135B (it
Original Assignee
Plettac Gmbh
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=6000213&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=IT7819641(A0) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Plettac Gmbh filed Critical Plettac Gmbh
Publication of IT7819641A0 publication Critical patent/IT7819641A0/it
Application granted granted Critical
Publication of IT1092135B publication Critical patent/IT1092135B/it

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04GSCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G7/00Connections between parts of the scaffold
    • E04G7/30Scaffolding bars or members with non-detachably fixed coupling elements
    • E04G7/302Scaffolding bars or members with non-detachably fixed coupling elements for connecting crossing or intersecting bars or members
    • E04G7/303Scaffolding bars or members with non-detachably fixed coupling elements for connecting crossing or intersecting bars or members the added coupling elements are only fixed at one of the bars or members to connect
    • E04G7/304Scaffolding bars or members with non-detachably fixed coupling elements for connecting crossing or intersecting bars or members the added coupling elements are only fixed at one of the bars or members to connect with tying means for connecting the bars or members
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47BTABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B57/00Cabinets, racks or shelf units, characterised by features for adjusting shelves or partitions
    • A47B57/30Cabinets, racks or shelf units, characterised by features for adjusting shelves or partitions with means for adjusting the height of detachable shelf supports
    • A47B57/48Cabinets, racks or shelf units, characterised by features for adjusting shelves or partitions with means for adjusting the height of detachable shelf supports consisting of tongues, pins or similar projecting means coacting with openings
    • A47B57/50Cabinets, racks or shelf units, characterised by features for adjusting shelves or partitions with means for adjusting the height of detachable shelf supports consisting of tongues, pins or similar projecting means coacting with openings characterised by shape or orientation of opening, e.g. keyhole-shaped
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/38Connections for building structures in general
    • E04B1/58Connections for building structures in general of bar-shaped building elements
    • E04B1/5825Connections for building structures in general of bar-shaped building elements with a closed cross-section
    • E04B1/5837Connections for building structures in general of bar-shaped building elements with a closed cross-section of substantially circular form
    • E04B1/585Connections for building structures in general of bar-shaped building elements with a closed cross-section of substantially circular form with separate connection devices
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04GSCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G7/00Connections between parts of the scaffold
    • E04G7/02Connections between parts of the scaffold with separate coupling elements
    • E04G7/06Stiff scaffolding clamps for connecting scaffold members of common shape
    • E04G7/22Stiff scaffolding clamps for connecting scaffold members of common shape for scaffold members in end-to-side relation
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04GSCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G7/00Connections between parts of the scaffold
    • E04G7/30Scaffolding bars or members with non-detachably fixed coupling elements
    • E04G7/302Scaffolding bars or members with non-detachably fixed coupling elements for connecting crossing or intersecting bars or members
    • E04G7/306Scaffolding bars or members with non-detachably fixed coupling elements for connecting crossing or intersecting bars or members the added coupling elements are fixed at several bars or members to connect
    • E04G7/307Scaffolding bars or members with non-detachably fixed coupling elements for connecting crossing or intersecting bars or members the added coupling elements are fixed at several bars or members to connect with tying means for connecting the bars or members
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16BDEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B12/00Jointing of furniture or the like, e.g. hidden from exterior
    • F16B12/10Jointing of furniture or the like, e.g. hidden from exterior using pegs, bolts, tenons, clamps, clips, or the like
    • F16B12/28Jointing of furniture or the like, e.g. hidden from exterior using pegs, bolts, tenons, clamps, clips, or the like for metal furniture parts
    • F16B12/34Jointing of furniture or the like, e.g. hidden from exterior using pegs, bolts, tenons, clamps, clips, or the like for metal furniture parts using keyhole-shaped slots and pins
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16BDEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B7/00Connections of rods or tubes, e.g. of non-circular section, mutually, including resilient connections
    • F16B7/04Clamping or clipping connections
    • F16B7/044Clamping or clipping connections for rods or tubes being in angled relationship
    • F16B7/0446Clamping or clipping connections for rods or tubes being in angled relationship for tubes using the innerside thereof
    • F16B7/0453Clamping or clipping connections for rods or tubes being in angled relationship for tubes using the innerside thereof the tubes being drawn towards each other
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16BDEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B2/00Friction-grip releasable fastenings
    • F16B2/02Clamps, i.e. with gripping action effected by positive means other than the inherent resistance to deformation of the material of the fastening
    • F16B2/14Clamps, i.e. with gripping action effected by positive means other than the inherent resistance to deformation of the material of the fastening using wedges
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16BDEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B21/00Means for preventing relative axial movement of a pin, spigot, shaft or the like and a member surrounding it; Stud-and-socket releasable fastenings
    • F16B21/09Releasable fastening devices with a stud engaging a keyhole slot
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16BDEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B2200/00Constructional details of connections not covered for in other groups of this subclass
    • F16B2200/40Clamping arrangements where clamping parts are received in recesses of elements to be connected
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T403/00Joints and connections
    • Y10T403/30Laterally related members connected by latch means, e.g., scaffold connectors
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T403/00Joints and connections
    • Y10T403/32Articulated members
    • Y10T403/32114Articulated members including static joint
    • Y10T403/32131One member is plate or side
    • Y10T403/32155Bearing component clamped to plate or side, e.g., bolted, etc.
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T403/00Joints and connections
    • Y10T403/70Interfitted members
    • Y10T403/7062Clamped members
    • Y10T403/7064Clamped members by wedge or cam
    • Y10T403/7066Clamped members by wedge or cam having actuator
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T403/00Joints and connections
    • Y10T403/76Joints and connections having a cam, wedge, or tapered portion

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Mutual Connection Of Rods And Tubes (AREA)
  • Connection Of Plates (AREA)
IT19641/78A 1977-02-03 1978-01-26 Giunto inchiavettato IT1092135B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2704398A DE2704398C3 (de) 1977-02-03 1977-02-03 Aus Ständern und Riegeln zusammensetzbares Gerüst

Publications (2)

Publication Number Publication Date
IT7819641A0 true IT7819641A0 (it) 1978-01-26
IT1092135B IT1092135B (it) 1985-07-06

Family

ID=6000213

Family Applications (1)

Application Number Title Priority Date Filing Date
IT19641/78A IT1092135B (it) 1977-02-03 1978-01-26 Giunto inchiavettato

Country Status (11)

Country Link
US (1) US4140414A (it)
JP (1) JPS5397219A (it)
BR (1) BR7800679A (it)
CA (1) CA1095104A (it)
DD (1) DD134130A5 (it)
DE (1) DE2704398C3 (it)
ES (1) ES466616A1 (it)
FR (1) FR2379720A1 (it)
GB (1) GB1599842A (it)
IT (1) IT1092135B (it)
SE (1) SE7714817L (it)

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JPS55173938U (it) * 1979-06-01 1980-12-13
JPS568833U (it) * 1979-06-29 1981-01-26
ATE3784T1 (de) * 1979-09-13 1983-06-15 Fritz Foerster Rohr-knotenblech-verbindung (rkv).
CA1178076A (en) * 1982-02-25 1984-11-20 Henry J. Manderla Shoring system
SE443601B (sv) * 1982-04-22 1986-03-03 Bo Allan Hjelm Stellningssystem med inskjutbara skarvstycken och spiror med invendiga styrflensar for skarvstyckena
DE3510543A1 (de) * 1984-03-28 1985-10-10 Composit System S.r.l., Cesano Boscone, Mailand/Milano Knotenverbindung fuer netzstrukturen
US4630956A (en) * 1984-10-05 1986-12-23 Safway Scaffolds Company Of Houston Scaffolding connection and retention device and method
FR2581263B1 (fr) * 1985-04-26 1989-02-10 Francaise Arconnerie Systeme de verrouillage d'un etrier support de cable electrique a la traverse d'un poteau electrique
US4705423A (en) * 1986-06-16 1987-11-10 Kevin Smith Integral frame connecting apparatus
FR2628157B1 (fr) * 1988-03-04 1990-06-01 Fermod Organe de fixation sur un montant
JPH02178442A (ja) * 1988-12-28 1990-07-11 Tatsuo Ono 支柱の連結方法及び支柱装置
DE3911279A1 (de) * 1989-01-18 1990-07-19 Krings Verbau Gmbh Spindel bzw. strebe fuer den grossflaechenverbau
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FR2655393B1 (fr) * 1989-12-05 1992-04-10 Roux Marcel Dispositif d'assemblage d'equerre entre des elements tubulaires.
FR2661208B1 (fr) * 1990-04-23 1992-07-03 Arnault Francis Raccord a clavette pour echafaudage.
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CA2086984A1 (en) * 1993-01-08 1994-07-09 Ronald Lubinski Wedge-operated scaffold joint
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US5617599A (en) * 1995-05-19 1997-04-08 Fomico International Bridge deck panel installation system and method
US5653349A (en) * 1995-07-31 1997-08-05 Akro-Mils Offset stud fastener
DE29713392U1 (de) * 1997-07-15 1997-09-18 Ruschitzka, Friedrich, 74939 Zuzenhausen Steckregal
US6311856B2 (en) 1998-07-27 2001-11-06 L&P Property Management Company Display stand module
US6220464B1 (en) * 1998-07-27 2001-04-24 L&P Property Management Company Modular display stand assembly
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AUPP850499A0 (en) * 1999-02-04 1999-02-25 Weeks Peacock Quality Homes Pty Ltd Connection assembly
CA2372789A1 (en) * 1999-05-05 2000-11-16 Bruce Raymond Mackinnon Step or bracket device
DE29918962U1 (de) * 1999-10-28 2000-01-05 Minner, Heinz-Josef, 59846 Sundern Befestigungsanordnung zur lösbaren Verbindung von Bauteilen
DE10012729B4 (de) * 2000-03-16 2007-06-14 Kahl, Helmuth, Dipl.-Ing. Vorrichtung zum stirnseitigen Verbinden von Profilstäben
GB0010698D0 (en) * 2000-05-03 2000-06-28 Sgb Services Plc Improvements in or relating to a scaffolding
DE10112369B4 (de) * 2001-02-22 2015-08-20 Wilhelm Layher Verwaltungs-Gmbh Gerüstrahmen für ein Systemgerüst
PL200827B1 (pl) 2001-02-22 2009-02-27 Layher W Vermogensverw Gmbh Urządzenie przyłączeniowe dla rusztowań
DE10241870A1 (de) * 2002-09-09 2004-03-11 Plettac Ag Vorrichtung zur Verbindung von Baugerüstelementen
DE202005016961U1 (de) * 2005-07-05 2006-11-16 Eberhard, Michael Bausatz
US7845134B2 (en) * 2005-09-16 2010-12-07 Lacey Jr Harvey W Structure and a method for constructing the structure
ES2311377B1 (es) * 2006-10-25 2009-12-02 Akaba, S.A. Armazon-bastidor para mesas de configuracion variable.
US8887471B2 (en) * 2008-08-29 2014-11-18 Werner Extrusion Solutions LLC Strut, system and method for a solar mirror frame
US8887470B2 (en) 2008-08-29 2014-11-18 Werner Extrusion Solutions LLC Solar trough frame, part and method
US8627632B2 (en) 2008-08-29 2014-01-14 Werner Extrusion Solutions LLC Node, apparatus, system and method regarding a frame support for solar mirrors
WO2010120349A1 (en) * 2009-04-16 2010-10-21 Werner Extrusion Solutions LLC Strut, system and method for a solar mirror frame
US11988415B2 (en) 2009-08-26 2024-05-21 Werner Extrusion Solutions, Llc Solar mirror array system, methods and apparatuses thereto
WO2013036910A2 (en) * 2011-09-08 2013-03-14 Visor Frames, LLC Rotating attachment device and method of use
EP2649257B1 (en) * 2011-11-02 2017-08-09 Saferite Platforms Inc. Pivoting horizontal and vertical scaffold members and a method of erecting an offset scaffold platform
JP5809955B2 (ja) * 2011-12-16 2015-11-11 日鐵住金建材株式会社 仮設足場
US9284968B2 (en) * 2011-12-19 2016-03-15 Gary L. Sharpe Mounting clamp for pole
HK1172197A2 (en) * 2012-06-01 2013-04-12 Wls Intellectual Property Ltd Improvements in building components and structures
TWM472768U (zh) * 2013-08-29 2014-02-21 Dtech Prec Ind Co Ltd 固定組件
US9708979B2 (en) * 2013-11-25 2017-07-18 Sikorsky Aircraft Corporation Engine inlet duct installation
BR112016016190A2 (pt) * 2014-01-13 2017-08-08 Ferno Washington Grampo acessório, e, método para usar um grampo acessório
EP2949833B1 (de) * 2014-05-30 2018-01-31 Tobler AG Befestigungselement für Geländer zur lösbaren Befestigung an einem Gerüstelement, Gerüstelement, Anordnung aus einem Geländer und einem Befestigungselement sowie Verfahren zum Befestigen und zum Sichern eines Befestigungselements
WO2016120665A1 (es) * 2015-01-28 2016-08-04 Andamios Y Encofrados S.A.S. Mecanismo de soporte cimbra para estructuras con peso aumentado
WO2016172513A1 (en) * 2015-04-24 2016-10-27 Deltak Manufacturing, Inc. A lockable scaffold toeboard system
DE102015209735A1 (de) * 2015-05-27 2016-12-01 Peri Gmbh Gerüst mit Gerüsthalteraufnahme und Verwendung einer Ausnehmung in einem Gerüststiel
WO2017100040A1 (en) 2015-12-07 2017-06-15 Bullet Fence Systems, LLC Fence and fence connection apparatus and method
US10837230B1 (en) * 2016-07-29 2020-11-17 Johnny Curtis Ladder hoop
US10995503B2 (en) 2016-10-26 2021-05-04 Yates Westley Hayman Lockable scaffold toeboard system using sleeves
EP3260395B1 (en) 2016-11-09 2020-03-25 Interroll Holding AG Mounting device and carton flow bed
DE102016223824A1 (de) * 2016-11-30 2018-05-30 Peri Gmbh Gerüstelement, Gerüst mit einem solchen Gerüstelement und Verfahren zur Montage des Gerüsts
ES1184286Y (es) * 2017-05-15 2017-08-23 Sist Tecnicos De Encofrados Sa Portacorrea
US10954690B1 (en) * 2018-02-26 2021-03-23 James R. Goff Pipe fence and method of construction
US11174656B1 (en) 2019-03-11 2021-11-16 Bullet Fence Systems, LLC Fence clip apparatus and method
ES2968036T3 (es) 2019-08-05 2024-05-06 Sist Tecnicos De Encofrados Sa Sistema de anclaje con apuntamiento en diagonal y puntal de encofrado
GB2598635A (en) * 2020-09-08 2022-03-09 Robovision Ltd Securing system and play apparatus
DE102021211507A1 (de) 2021-10-12 2023-04-13 Doka Gmbh Stiel
CN118441873B (zh) * 2024-07-08 2024-09-06 山西省宏图建设集团有限公司 承插型键槽式建筑钢管支架结构

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FR997546A (fr) * 1949-09-21 1952-01-07 Perfectionnements à l'assemblage d'éléments tubulaires
US3179212A (en) * 1962-01-30 1965-04-20 Kwikform Ltd Builders' scaffolding
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FR1493693A (fr) * 1966-07-20 1967-09-01 Transformation Des Plastiques Dispositif d'assemblage escamotable pour menuiserie métallique
US3695649A (en) * 1969-06-19 1972-10-03 Rene Georges Lavergne Device for assembling tubular members
US3672710A (en) * 1969-12-19 1972-06-27 Graflset System Ab Coupling for connecting together building units
DE2237490C3 (de) * 1972-07-31 1980-03-06 Peter Paul 6521 Gimbsheim Beck Zerlegbares Baugerüst
DE2415208A1 (de) * 1974-03-29 1975-10-09 Dustmann Dula Werk Bausatz fuer eine verbindung zwischen einem regalpfosten und einem querglied
US4040754A (en) * 1976-02-26 1977-08-09 Burroughs Elvin O Cable attachment

Also Published As

Publication number Publication date
SE7714817L (sv) 1978-08-04
DD134130A5 (de) 1979-02-07
DE2704398C3 (de) 1980-08-21
IT1092135B (it) 1985-07-06
ES466616A1 (es) 1978-10-01
BR7800679A (pt) 1978-10-10
DE2704398A1 (de) 1978-08-10
FR2379720A1 (fr) 1978-09-01
US4140414A (en) 1979-02-20
GB1599842A (en) 1981-10-07
CA1095104A (en) 1981-02-03
DE2704398B2 (de) 1979-12-20
JPS5397219A (en) 1978-08-25

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