US3797795A - Clamping rod for the suspension of material in the form of sheets or the like - Google Patents

Clamping rod for the suspension of material in the form of sheets or the like Download PDF

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Publication number
US3797795A
US3797795A US00240644A US3797795DA US3797795A US 3797795 A US3797795 A US 3797795A US 00240644 A US00240644 A US 00240644A US 3797795D A US3797795D A US 3797795DA US 3797795 A US3797795 A US 3797795A
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US
United States
Prior art keywords
clamping rod
spring
leg
gap
flanges
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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
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US00240644A
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English (en)
Inventor
S Hemgren
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.)
Beckman and Ullbin AB
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Beckman and Ullbin AB
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 Beckman and Ullbin AB filed Critical Beckman and Ullbin AB
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Publication of US3797795A publication Critical patent/US3797795A/en
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Classifications

    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F1/00—Cardboard or like show-cards of foldable or flexible material
    • G09F1/10—Supports or holders for show-cards
    • G09F1/103—Supports or holders for show-cards using suspension clamps
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42F—SHEETS TEMPORARILY ATTACHED TOGETHER; FILING APPLIANCES; FILE CARDS; INDEXING
    • B42F15/00—Suspended filing appliances
    • B42F15/06—Suspended filing appliances for hanging large drawings or the like
    • B42F15/066—Suspended filing appliances for hanging large drawings or the like for hanging a single drawing, e.g. with self-locking means

Definitions

  • the present invention concerns a clamping rod for the suspension of material, especially sheet-formed mate- Foreign Application Priority Data rial, such as signs and the like.
  • Said clamping rod com- May 28, 1971 Sweden .1 6937/71 pris s two substantially rigid flanges which are mutually parallel or convergent and whose edges define a [52] 11.8.
  • CI. 248/316 1R, /156 g p into hi h ai m rial is insertable.
  • the present invention concerns a clamping rod for the suspension of material in form of sheets.
  • a great number of devices for the suspension of sheet-formed material such as notices, signs and the like, are known and the construction thereof varies from a single board of wood on which the material is secured by means of drawing pins to a sheet of magnetic material on which the material is held fast by means of small magnets.
  • Devices having a clamping action are also known, such as simple spring clips attached to a support or clamping devices having displaceable members which hold the material by pressing same against a support under the action of gravity.
  • Another feature influencing the usefulness of devices of this kind is the appearance thereof.
  • the intention is to present an information of some kind to a public and a notice or a sign is easier noticed and more often read if it is shown in an attractive manner.
  • the aim of the present invention is to provide a clamping rod for the suspension of sheet-like material, which overcomes the abovementioned disadvantages and may be adapted to a number of uses not attained before.
  • the clamping is furthermore fully independent of its mounting position and can be used when arranged horizontally or vertically and also in an arbitrary inclined position.
  • a further advantage resides in the fact that a clamping rod with the same effectiveness suspends a thin sheet of paper as a thick piece of cardboard. Furthermore, the clamping action becomes stronger when the weight of the suspended object increases. so that said weight practically is only limited by the strength of the object or its package.
  • the present invention therefore consists of a clamping rod for the suspension of sheet material, for instance signs, which clamping rod comprises two substantially rigid flanges which are mutually parallel or convergent and whose edges define a gap into which said sheet material is insertable, and which is mainly characterized by a V-formed leaf spring which is clamped between said flanges, so that a first leg of said spring abuts in said gap against a first one of said rigid flanges along a contact line adjacent the bending line between the two legs of said spring, and so that the outer edge of the other leg thereof presses against the other rigid flange at a distance inside of said gap.
  • FIG. 1 is an isomeric view of a clamping-rod according to the invention with a piece of sheet-formed material inserted into said rod,
  • FIG. la is an isomeric view of a leaf spring forming a part of the clamping rod
  • FIG. 2 is an isomeric view of a suspension bracket for the clamping rod
  • FIG. 2a is an end view of a clamping rod and a cooperating suspension bracket
  • FIG. 2b is a plane view of a clamping rod with a mounting means for the same
  • FIG. 3 is a plane view of a clamping rod with a mounting means for the same
  • FIG. 4 is a corresponding view showing a somewhat modified embodiment of the mounting means
  • FIG. 5 is an isomeric view of a mounting bar for the suspension of a clamping rod
  • FIG. 5a is a plane view of said mounting bar
  • FIG. 5b is a plane view of a clamping rod with a mounting means for the same.
  • the clamping rod consists of two rigid flanges 2 and 3 which longitudinally extend parallely to each other and between which a gap d is provided, into which one edge of a sheet-formed piece 5 of material is insertable. Between said flanges a leaf spring 6 is so arranged that one free end thereof extends from said gap 4 in the direction of insertion of said material piece 5 and said free end resiliently rests against the flange 2. Said flanges 2 and 3 may be parallel or converge towards said gap 4.
  • said material piece 5 When said material piece 5 is displaced inwardly, it lifts said spring leaf end from said flange 2 and is clamped fast between said end and said flange.
  • said lift spring 6 extends in the direction of insertion, a movement of the material piece 5 in the opposite direction will tend to carry the spring end along and due to the extension of said spring, said end will be pressed harder against the material piece 5 and the underlying flange 2, so that the retaining force is increased.
  • the material piece 5 can easily be removed by means of a. sharp pull in same.
  • the clamping rod shown in FIG. 1 is constructed according to this principle but modified in certain respects, so that further advantages are provided.
  • the two rigid flanges 2,3 thus converge towards said gap 4 and at the opposite edges thereof they are rigidly interconnected by means of a web 7.
  • One flange 2 extends perpendicularly to said web 7 and the other flange 3 forms an acute angle thereto.
  • the web 7 is provided with a ridgelike projection 8, extending parallel with said flange 2,3 along the whole length of the clamping rod 1.
  • the projection 8 forms an angle with the web and the outer edge thereof is situated at a greater distance from the flange 2 extending perpendicular to said web 7 than the foot part thereof.
  • the corner of the projection 8 facing the other flange 3 is comparatively sharp.
  • the leaf spring 6 arranged between the flanges 2,3 is bent into an angle and comprises a shorter leg 6a, a longer leg 61) and the outer end portion 6c of the latter is angle-bent relatively to the longer leg 6b in a direction away from the shorter leg 6a.
  • the leaf spring 6 formed in the above-described way is clamped between the flanges 2 and 3 in such a way that the outer edge of the angle-bent end portion 6c rests in the apex of the angle between the web 7 and the flange 3 of the clamping rod l.
  • the longer spring leg 6b abuts against the sharp corner 9 of the projection 8 along a line at some distance from the bending line 6d between this spring leg 6b and said end portion 60.
  • said longer spring leg 6b furthermore abuts against the inner side of the rigid flange 3 forming an acute angle with said web 7, the
  • the longer spring leg 6b is displaced away from the gap 4 so that the end portion 60 is brought closer to the web 7 and in extreme cases will abut against same.
  • the portion of the longer leg 6b of the leaf spring 6. which is situated between the corner 9 of the projection 8 and the contact line with the flange 3 is shortened while the radius of curvature of the longer leg 6b simultaneously is decreased, so that the distance of said contact line from the bending line 6e between the legs 6a and 6b is increased.
  • the clamping rod 1 is preferably symmetric with respect to said web 7, so that a gap 4 opens in each direction and is defined by one pair of rigid flanges 2, 3 each.
  • the leaf spring 6 may be subdivided into several pieces, spaced in the longitudinal direction of said clamping rod.
  • FIG. 2 shows a suitable means for the suspension of a clamping rod according to FIG. 1.
  • Said means comprises at least two brackets consisting of a plate strip 12 provided with a hole 14 or the like at one end for fastening the bracket to a support.
  • the opposite edge 15 of the plate strip 12 is bent approx. 180 so that a groove is formed between said strip and said edge 15.
  • the bracket is inserted in the gap 4 of the clamping rod 1 in such a way that the free edge of the shorter spring leg 6a engages into said groove.
  • the weight the bracket is able to carry is thus only dependent on the strength of the leaf spring.
  • FIGS. 3 and 4 show another mounting device for a clamping rod 1 according to the invention, which also allows vertical mounting.
  • Said device consists of a fitting 16 provided with a longitudinal groove in which a clamping rod 1 is insertable. said groove being recessed along both sides so that it grips over the edges of the clamping rod.
  • a lock screw 17 is screwed in through one side wall of the groove to secure the clamping rod.
  • said fitting 16 is attached to a foot plate 18 which by means of screws may be fastened to a support.
  • Said foot plate 18 covers one end of said groove and serves as a stop member for the clamping rod.
  • the fitting 16 is suitable for attachting a clamping rod at an angle to a support.
  • the fitting is attached to the support by means of screws which pass through holes in the bottom of the groove and are counter-sunk therein, thus in a position parallel to the support.
  • One end of the groove is closed by means of a plate 19 serving as a stop member.
  • FIG. 5 A further means for suspending clamping rod 1 according to the invention is shown in FIG. 5.
  • Said suspension means is formed as a suspension bar 20 for each end of the clamping rod.
  • Said suspension bar 20 is slightly broader than the clamping rod, as measured over the edges of the opposing flanges 2 being perpendicular to said web 7.
  • said suspension bar 20 is provided with grooves 21 extending parallely to said edges and being formed to take up one edge 10 each of said flanges 2.
  • Said grooves 21 have such a form that each of them includes a portion 22 engageable over said flange edges 10, so that a clamping rod 1 is only engageable with a suspension bar 20 by means of longitudinal displacement and simultaneous insertion of the flange edges 10 into said grooves 21.
  • the overengaging portion 22 of the grooves 21 of said bars 20 can be cut away a distance 23 in over said bar from one end thereof.
  • the clamping rod 1 can then be mounted in such a way that one end thereof is placed against the cooperating suspension bar 20 with said end aligned with the border line (shown with a dash-dot line in FIG. 5a) between said cut-away portions 23 and the remaining overengaging portions 22.
  • the clamping rod is longitudinally displaced so far, while bringing said end into engagement with the grooves 21, that the opposite end of the clamping rod can be brought into alignment with the corresponding border line of the 00- operating suspension bar 20, whereafter said clamping rod is longitudinallv displaced in the opposite direction into the position shown in full lines, while said end is fitted into said grooves 21.
  • the space necessary for the displacement of the clamping rod may be materially diminished.
  • the suspension bar 20 may be further modified by bending the outer end 24 of at least one of its overengaging portions 22 into the grooves 21 in order to serve as a stop means for the clamping rod 1.
  • the supporting bar 20 according to this modification may be used for vertical or inclined mounting of clamping rods 1.
  • the suspension bar 20 is attached to a support by means of screws which extend through the web portion thereof and are counter-sink therein.
  • Said web portion may preferably have such a form that it engages and supports the outer sides of the cooperating flanges 2.
  • clamping rods according to the invention may be used in many circumstances, some but not all of which are listed below: For the suspension of signs, price notices and the like at counters, deep-freeze showcases and at other places in shops, and also for showing merchandise, preferably such packed in plastic bags, for sign boards of all kinds, for suspension of cut films in viewing devices for X-ray plates and negatives, and for retouch stands, for drawing tables etc. in the lastmentioned cases the clamping rod is preferably countersunk into the support, so that the top surface thereof is aligned with the inner surface of the-flanges 2.
  • the clamping rod according'to the invention may furthermore be manufactured in short pieces, for instance corresponding to the length of one of the spring pieces mentioned earlier, or in arbitrary lengths.
  • the mounting position is of no consequence, since the clamping rod fulfills its function whether it is horizontal, vertical, or inclined.
  • the thickness of the sheet material may also vary within wide limits.
  • a clamping rod as claimed in claim 1 characterized in that said first leg of said leaf spring intermediate said bending lines is convexly arched towards said first 3.
  • a clamping rod as claimed in claim 1 characterized in that two pairs of rigid flanges symmetrically protrudes in opposite directions from said web and that a leaf spring is clamped between the flanges of each pair.
  • a clamping rod as claimed in claim 1 characterized in that the edges of said flanges defining said gap are bent away from each other.
  • a clamping rod for the suspension of sheet material, for instance signs which clamping rod comprises .two substantially rigid flanges which are mutually convergent and whose edges define a gap into which said sheet material is insertable, a V-formed leaf spring defined by legs joined along a bending line, said leaf spring being clamped between said flanges so that the bending line between the legs of said spring is positioned in said gap and a first leg of said spring in said gap abuts against a first one of said rigid flanges along a contact line adjacent the bending line between the said edge portion and said plate strip.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Clamps And Clips (AREA)
  • Load-Engaging Elements For Cranes (AREA)
  • Supports Or Holders For Household Use (AREA)
US00240644A 1971-05-28 1972-04-03 Clamping rod for the suspension of material in the form of sheets or the like Expired - Lifetime US3797795A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE06937/71A SE364133B (de) 1971-05-28 1971-05-28

Publications (1)

Publication Number Publication Date
US3797795A true US3797795A (en) 1974-03-19

Family

ID=20269963

Family Applications (1)

Application Number Title Priority Date Filing Date
US00240644A Expired - Lifetime US3797795A (en) 1971-05-28 1972-04-03 Clamping rod for the suspension of material in the form of sheets or the like

Country Status (17)

Country Link
US (1) US3797795A (de)
AT (1) AT321786B (de)
BE (1) BE783884A (de)
CA (1) CA992049A (de)
CH (1) CH543790A (de)
CS (1) CS160699B2 (de)
DD (1) DD96904A5 (de)
DE (1) DE2216777C3 (de)
DK (1) DK146644C (de)
FR (1) FR2139852B1 (de)
GB (1) GB1387923A (de)
IT (1) IT967058B (de)
NL (1) NL170192C (de)
NO (1) NO129711B (de)
SE (1) SE364133B (de)
SU (1) SU467509A3 (de)
ZA (1) ZA723236B (de)

Cited By (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4235030A (en) * 1978-05-23 1980-11-25 Pico-Glass S.n.c. di Beatrice Huber & C. Assembly in two parts with which to construct frames
US4986013A (en) * 1990-03-29 1991-01-22 Pollack Ronald M Poster frame
US5104147A (en) * 1990-11-08 1992-04-14 U.S. Sample Company Binder system for display book and the like
US5743414A (en) * 1996-02-05 1998-04-28 Sanford Corporation Board edging system and method of manufacture thereof
US5901859A (en) * 1997-09-03 1999-05-11 Sally G. Bloomberg Card display unit and method
US5930925A (en) * 1997-01-06 1999-08-03 Allway Tools, Inc. Display apparatus
US6108955A (en) * 1995-05-26 2000-08-29 Folsom; Lonnie K. Sign for displaying changeable messages
FR2793586A1 (fr) * 1999-05-10 2000-11-17 Maxime Roger Brugniaux Dispositif pour maintenir en place (de facon temporaire ou permanente) divers documents sur divers supports (notamment verticaux); et ce en collaboration avec ledit support
FR2793585A1 (fr) * 1999-05-10 2000-11-17 Maxime Roger Brugniaux Dispositif pour maintenir en place (de facon temporaire ou permanente) divers documents sur divers supports (notamment verticaux); et ce en collaboration avec le dit support
WO2001026911A2 (es) * 1999-10-08 2001-04-19 LASPIUR NÖLTING, Jorge Alberto Elemento para retener papeles o elementos laminares
US6439399B1 (en) * 1999-09-22 2002-08-27 Hallmark Cards, Incorporated Molded display rack with snap-in retainer and hinged mold insert tool
US6467742B1 (en) * 2000-04-29 2002-10-22 Rose Displays Poster-gripping extrusion
US6671932B1 (en) * 1999-05-10 2004-01-06 Maxime Brugniaux Device for maintaining sheets, cards and the like, capable of being fixed on a rigid support
US7673410B1 (en) * 2006-07-31 2010-03-09 Cm Concepts, Llc Portable shopping aid
US20130126694A1 (en) * 2011-10-28 2013-05-23 Steven Lee Kline Wall board clip and mount apparatus
US20140099160A1 (en) * 2012-10-09 2014-04-10 Thomas & Betts International, Inc. Joint strip
USD764593S1 (en) * 2015-11-05 2016-08-23 Aragon Graphics, Inc. Sign frame
CN111823597A (zh) * 2020-06-28 2020-10-27 宁夏隆基宁光仪表股份有限公司 一种机械自动化组装用边框定位夹紧一体化装置

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4010517A (en) * 1974-09-12 1977-03-08 Kapstad Odd B Sheet support apparatus
DE3528984A1 (de) * 1985-08-13 1987-02-19 Fidel Widmann Tafel, insbesondere demonstrationstafel
GB2211906A (en) * 1987-10-31 1989-07-12 Timothy William Bazeley Panel holder
DE8806778U1 (de) * 1988-05-25 1989-07-20 Esselte Meto International Produktions GmbH, 6932 Hirschhorn Abhängeschiene für Schilder, Tafeln o.dgl., insbesondere als Halteschiene für Anzeigetafeln
DE4434310A1 (de) * 1994-09-26 1996-03-28 Sma Stahl Maschinen Und Anlage Klemmverbinder für Plakatvitrinen
GB2373089A (en) * 2001-02-14 2002-09-11 Pasquale Fusco Pinless display apparatus
CN110978855B (zh) * 2020-01-12 2023-10-27 重庆工业职业技术学院 一种吊挂式财务票据存放架的专用取件装置

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US344555A (en) * 1886-06-29 Feedebick a
US793162A (en) * 1904-09-03 1905-06-27 Godfrey P Schmidt Holder for sample-exhibitors.
US2918244A (en) * 1959-04-06 1959-12-22 Bestile Mfg Company Clip
US2995795A (en) * 1958-04-21 1961-08-15 Samson Martin Protective clip
US3225409A (en) * 1963-12-11 1965-12-28 Albert P Branch Adobe making machine
US3350045A (en) * 1966-08-17 1967-10-31 Lawrence S Mayers Article holder
US3513902A (en) * 1966-01-07 1970-05-26 Hatier Editions Sa Beading device for flexible sheets
US3696857A (en) * 1971-01-21 1972-10-10 Frank M Le Tarte Panel and frame assembly

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US344555A (en) * 1886-06-29 Feedebick a
US793162A (en) * 1904-09-03 1905-06-27 Godfrey P Schmidt Holder for sample-exhibitors.
US2995795A (en) * 1958-04-21 1961-08-15 Samson Martin Protective clip
US2918244A (en) * 1959-04-06 1959-12-22 Bestile Mfg Company Clip
US3225409A (en) * 1963-12-11 1965-12-28 Albert P Branch Adobe making machine
US3513902A (en) * 1966-01-07 1970-05-26 Hatier Editions Sa Beading device for flexible sheets
US3350045A (en) * 1966-08-17 1967-10-31 Lawrence S Mayers Article holder
US3696857A (en) * 1971-01-21 1972-10-10 Frank M Le Tarte Panel and frame assembly

Cited By (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4235030A (en) * 1978-05-23 1980-11-25 Pico-Glass S.n.c. di Beatrice Huber & C. Assembly in two parts with which to construct frames
US4986013A (en) * 1990-03-29 1991-01-22 Pollack Ronald M Poster frame
US5104147A (en) * 1990-11-08 1992-04-14 U.S. Sample Company Binder system for display book and the like
US6108955A (en) * 1995-05-26 2000-08-29 Folsom; Lonnie K. Sign for displaying changeable messages
US5743414A (en) * 1996-02-05 1998-04-28 Sanford Corporation Board edging system and method of manufacture thereof
US5930925A (en) * 1997-01-06 1999-08-03 Allway Tools, Inc. Display apparatus
US5901859A (en) * 1997-09-03 1999-05-11 Sally G. Bloomberg Card display unit and method
US6671932B1 (en) * 1999-05-10 2004-01-06 Maxime Brugniaux Device for maintaining sheets, cards and the like, capable of being fixed on a rigid support
FR2793586A1 (fr) * 1999-05-10 2000-11-17 Maxime Roger Brugniaux Dispositif pour maintenir en place (de facon temporaire ou permanente) divers documents sur divers supports (notamment verticaux); et ce en collaboration avec ledit support
FR2793585A1 (fr) * 1999-05-10 2000-11-17 Maxime Roger Brugniaux Dispositif pour maintenir en place (de facon temporaire ou permanente) divers documents sur divers supports (notamment verticaux); et ce en collaboration avec le dit support
US7172722B2 (en) 1999-09-22 2007-02-06 Hallmark Cards Incorporated Method of vacuum forming a molded article having an undercut channel
US6439399B1 (en) * 1999-09-22 2002-08-27 Hallmark Cards, Incorporated Molded display rack with snap-in retainer and hinged mold insert tool
US20020162810A1 (en) * 1999-09-22 2002-11-07 Hallmark Cards, Incorporated Molded display rack with snap-in retainer and hinged mold insert tool
WO2001026911A3 (es) * 1999-10-08 2001-11-08 Laspiur Noelting Jorge Alberto Elemento para retener papeles o elementos laminares
WO2001026911A2 (es) * 1999-10-08 2001-04-19 LASPIUR NÖLTING, Jorge Alberto Elemento para retener papeles o elementos laminares
US6467742B1 (en) * 2000-04-29 2002-10-22 Rose Displays Poster-gripping extrusion
US7673410B1 (en) * 2006-07-31 2010-03-09 Cm Concepts, Llc Portable shopping aid
US20130126694A1 (en) * 2011-10-28 2013-05-23 Steven Lee Kline Wall board clip and mount apparatus
US8915044B2 (en) * 2011-10-28 2014-12-23 Steven Lee Kline Wall board clip and mount apparatus
US20140099160A1 (en) * 2012-10-09 2014-04-10 Thomas & Betts International, Inc. Joint strip
US10483733B2 (en) * 2012-10-09 2019-11-19 Thomas & Betts International Llc Joint strip
USD764593S1 (en) * 2015-11-05 2016-08-23 Aragon Graphics, Inc. Sign frame
CN111823597A (zh) * 2020-06-28 2020-10-27 宁夏隆基宁光仪表股份有限公司 一种机械自动化组装用边框定位夹紧一体化装置

Also Published As

Publication number Publication date
GB1387923A (en) 1975-03-19
NL170192C (nl) 1982-10-01
IT967058B (it) 1974-02-28
FR2139852B1 (de) 1973-07-13
CH543790A (de) 1973-10-31
DE2216777C3 (de) 1980-07-17
NL170192B (nl) 1982-05-03
BE783884A (fr) 1972-09-18
DD96904A5 (de) 1973-04-12
DK146644B (da) 1983-11-28
AT321786B (de) 1975-04-25
ZA723236B (en) 1973-02-28
DK146644C (da) 1984-05-28
FR2139852A1 (de) 1973-01-12
NL7207093A (de) 1972-11-30
CS160699B2 (de) 1975-03-28
NO129711B (de) 1974-05-13
DE2216777B2 (de) 1979-10-04
SU467509A3 (ru) 1975-04-15
CA992049A (en) 1976-06-29
DE2216777A1 (de) 1972-12-07
SE364133B (de) 1974-02-11

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