SU671708A3 - Способ переработки клейких при нагреве термопластичных материалов - Google Patents

Способ переработки клейких при нагреве термопластичных материалов

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Publication number
SU671708A3
SU671708A3 SU721768368A SU1768368A SU671708A3 SU 671708 A3 SU671708 A3 SU 671708A3 SU 721768368 A SU721768368 A SU 721768368A SU 1768368 A SU1768368 A SU 1768368A SU 671708 A3 SU671708 A3 SU 671708A3
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USSR - Soviet Union
Prior art keywords
film
polyethylene
microns
copolyamide
working
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SU721768368A
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English (en)
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Панненбекер Генрих
Плате Рудольф
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Иностранцы Генрих Панненбекер и Рудольф Плате
(Фрг)
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form
    • B32B3/02—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form characterised by features of form at particular places, e.g. in edge regions
    • B32B3/04—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form characterised by features of form at particular places, e.g. in edge regions characterised by at least one layer folded at the edge, e.g. over another layer ; characterised by at least one layer enveloping or enclosing a material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/20—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of indefinite length
    • B29C44/22—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of indefinite length consisting of at least two parts of chemically or physically different materials, e.g. having different densities
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/14—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the particular extruding conditions, e.g. in a modified atmosphere or by using vibration
    • B29C48/147—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the particular extruding conditions, e.g. in a modified atmosphere or by using vibration after the die nozzle
    • B29C48/1472—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the particular extruding conditions, e.g. in a modified atmosphere or by using vibration after the die nozzle at the die nozzle exit zone
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/16—Articles comprising two or more components, e.g. co-extruded layers
    • B29C48/18—Articles comprising two or more components, e.g. co-extruded layers the components being layers
    • B29C48/21—Articles comprising two or more components, e.g. co-extruded layers the components being layers the layers being joined at their surfaces
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/30—Extrusion nozzles or dies
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/30—Extrusion nozzles or dies
    • B29C48/32—Extrusion nozzles or dies with annular openings, e.g. for forming tubular articles
    • B29C48/335—Multiple annular extrusion nozzles in coaxial arrangement, e.g. for making multi-layered tubular articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B1/00—Layered products having a general shape other than plane
    • B32B1/08—Tubular products
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/28—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding involving assembly of non-flat intermediate products which are flattened at a later step, e.g. tubes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/02—Physical, chemical or physicochemical properties
    • B32B7/022—Mechanical properties
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2791/00—Shaping characteristics in general
    • B29C2791/004—Shaping under special conditions
    • B29C2791/007—Using fluid under pressure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/001—Combinations of extrusion moulding with other shaping operations
    • B29C48/0017—Combinations of extrusion moulding with other shaping operations combined with blow-moulding or thermoforming
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/001—Combinations of extrusion moulding with other shaping operations
    • B29C48/0018—Combinations of extrusion moulding with other shaping operations combined with shaping by orienting, stretching or shrinking, e.g. film blowing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
    • B29C48/10—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels flexible, e.g. blown foils
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2597/00—Tubular articles, e.g. hoses, pipes
    • 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
    • Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
    • Y10T156/10—Methods of surface bonding and/or assembly therefor
    • Y10T156/1052—Methods of surface bonding and/or assembly therefor with cutting, punching, tearing or severing

Description

3
12,5 кг1ч термопластического полиуретана. Полиэтилен имеет температуру разм гчени  130° С при средней в зкости расплава. Температура разм гчени  иолиуретана примерно 150° С.
Температуру обработки в обоих экструдерах поддерживают 165-175° С. Температзфа в головке 165° С.
Ширина один раз надрезанного пленочного полотна 700 мм. Толщина сло  полиэтиленовой разделительной пленки 45 мк, плсикн полиуретана 50 мк. Поле выпускной толщины, изготавливаемой полиуретановой пленки 4:10%. Полиуретанова  иленка отличаетс  высокой однородностью, превосход щей получеиную каландрованием материалов .
Надрезанный с одной стороны пленочный рукав развертывают. Дл  переработки полиуретанова  пленка и полиэтиленова  пленка могут быть легко отделены друг от друга.
Пример 2. На дутьевой установке, рассмотренной в примере /, в услови х, указанных в том же примере, и при использовании аналогичного полиэтилена высокого давлени  переработай соиолиамид 6/6, 6/12 с температурой разм гчени  130° С. Температура переработки в экструдерах 150° С, температура в головке также 150° С. Ширина надрезанной один раз пленки 700 мм. Толщина полиэтплеиового разделительного сло  25 мк, а сополиамидной плеики 20 мк.
Сополиамидные пленки такого типа ие могут быть изготовлены с помощью щелевых фильер. Оптическое качество сополиамидной пленки, полученной дутьевым методом , превосходит качество пленки, получениой с помощью щелевой фильеры.
Пример 3. На экструзиоииой установке в соответствии с примерами / и 2 работу производили головкой с двум  концен .трическими кольцевыми щел ми шириной 0,7 мм кажда . Диаметр кольцевых щелей, соедин ющихс  недалеко от выхода экструзионной головки, :225 мм. Через внутреннюю кольцевую щель подают полиэтилен высокого давлени  и с высокой в зкостью расплава , в то врем  как к внешней кольцевой щели поступает полиуретан с температурой разм гчени , лежащей в пределах от 165 до 170° С {к :которому добавлено 10% мыла).
Температура переработки обоих материалов в экструдерах С. Температура в головке составл ет примерно 180° С.
Экструдированный пленочный рукав раздувают до периметра 180 мм, так что дважды надрезанный пленочный рукав двухслойного пленочного полотна составл ет ширину 900 мм. Толщина отдельных пленок следующа : полиэтиленовый разделительный слой 90 мк, а полиуретанова  пленка 100 мк.
Двухслойные пленочные полотна при переработке могут быть легко отделены друг от друга. Изменение толщины пленки возможно путем изменени  мощности нодачи 5 экструдеров.
Пример 4. В установке по примеру 3 к внещней кольцевой щели вместо полиэтилена подвод т сополиамид с температурой разм гчени  190° С. Ширина двухслойного , дважды надрезанного пленочного нолотна в этом случае 900 мм.
Толщина полиэтиленового разделительного сло  50 мк, толнцшй сополиамидной пленки 50 мк. Поле допусков равно +10%. 5 Пример 5. Установку по примеру 3 измен ют, вместо головки с двум  кольцевыми концентрическими щел ми используют головку с трем  кольцевыми щел ми, причем с каждой щелью св зан экструдер. 0 К внутренним и внешннм кольцевым щел м подвод т полиэтилен высокого давлени , обладающий хорошей текучестью в расплавленном состо нни, к которому добавл етс  0,5% коицентрата кальци . К средней
5 кольцевой щели подвод т сополиамид 6/6, 6/12, к которому добавлено 15% высококип ц;его пластификатора. Темиература разм гчени  еонолиамнда 130° С.
В экструдерах и головке температура
0 145° С. Трехслойный пленочный рукав раздувают до размеров 1400 мм (по периметру ). Затем рукав разрезают и развертывают . Дл  переработки сополиамидна  пленка может быть извлечена из окружающей ее полиэтиленовой пленки. Толщина сополиамидной пленки 45 мк, толщина нолиэтиленовой пленки 30 мк. Добавление к соиолиамиду иластификатора обусловливает большую гибкость сополиамидной
0 пленки. Путем согласовани  полиэтилена с характеристиками разм гчени  сополиамида , содержащего пластификатор, экструзию и раздув рукава производ т при более иизких температурах, чем в примере 2.
Пример 6. Работу производ т на дутьевой установке, аналогичной рассмотренной в примере 3, однако диаметр объединенного кольцевого отверсти  в головке 300 мм. Кажда  из концентрических щелей
0 в отдельности имеет ширииу 0,6 мм. К иим присоединены экструдеры с производительностью 30-90 кг1ч материала, причем изменение мощности может производитьс  путем изменени  числа оборотов экструдера.
5 К внешней кольцевой шели подвод т термопластичный полиуретан с температурой разм гчени , лежащей в пределах 165- 170° С. К внутренней шели иодвод т полиэтилен высокого давлени  с высокой в зкостью расплава. Температура переработки в обоих экструдерах 190° С. При мощности экструдера, подвод щего поли фетан в 40 кг1ч, получают двойной пленочный рукав, который после расширеии  и двухстороннего надреза образует два полотна шириной
по 750 мм каждое. Толщина полиуретановой пленки, обладающей клейкостью в нагретом состо нии, 145-150 мм. Толщина полиуретанового разделительного сло  120 мк.
Дл  термопластичных материалов, клейких в нагретом состо нии, важным  вл етс  то, что в рамках изобретени  впервые удалось изготовить методом экструзии рукава с раздувом очень тонкие пленки больщой щирины. Ширина пленочных листов со1ставл ет примерно 1 м. Она может быть сделана при необходимости 3 м и более. При этом преимущества, обеспечиваемые дутьевым методом, в полной мере относ тс  ко всем клейким в нагретом состо нии материалам.

Claims (3)

1. Патент США № 3337665, кл. 264-95, опублик. 1967.
2.Патент Японии № 6146, кл. 25 № 121, опублик. 1968.
3.Ullnanns Encycopadie die der technichen Chemie. 3-е издание, т. 14, 1963, с. 348.
SU721768368A 1971-03-23 1972-03-20 Способ переработки клейких при нагреве термопластичных материалов SU671708A3 (ru)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2114065A DE2114065C2 (de) 1971-03-23 1971-03-23 Verfahren zur Herstellung von Folien aus thermoplastischen Kunststoffen mit Klebereigenschaft

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SU671708A3 true SU671708A3 (ru) 1979-06-30

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JP (1) JPS565648B1 (ru)
AT (1) AT351752B (ru)
AU (1) AU466477B2 (ru)
BE (1) BE781153A (ru)
CA (1) CA1001376A (ru)
CH (1) CH540971A (ru)
DD (1) DD95278A5 (ru)
DE (1) DE2114065C2 (ru)
DK (1) DK137918C (ru)
ES (1) ES401053A1 (ru)
FI (1) FI56637C (ru)
FR (1) FR2130569B1 (ru)
GB (1) GB1392841A (ru)
IE (1) IE36438B1 (ru)
IL (1) IL39048A (ru)
IT (1) IT950500B (ru)
LU (1) LU64998A1 (ru)
NL (1) NL172926C (ru)
NO (1) NO139258C (ru)
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SU (1) SU671708A3 (ru)
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2114065C2 (de) * 1971-03-23 1982-08-19 Heinrich Pannenbecker Verfahren zur Herstellung von Folien aus thermoplastischen Kunststoffen mit Klebereigenschaft
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LU64998A1 (ru) 1972-07-10
AT351752B (de) 1979-08-10
ZA721839B (en) 1972-12-27
FI56637B (fi) 1979-11-30
IL39048A (en) 1976-04-30
IE36438B1 (en) 1976-11-10
IT950500B (it) 1973-06-20
FR2130569A1 (ru) 1972-11-03
DE2114065A1 (de) 1972-10-05
NL7203831A (ru) 1972-09-26
SE394262B (sv) 1977-06-20
CA1001376A (en) 1976-12-14
GB1392841A (en) 1975-04-30
JPS565648B1 (ru) 1981-02-06
DD95278A5 (ru) 1973-01-20
USRE31856E (en) 1985-03-26
NL172926B (nl) 1983-06-16
AU466477B2 (en) 1973-09-27
FR2130569B1 (ru) 1976-08-06
DK137918C (da) 1978-10-30
FI56637C (fi) 1980-03-10
NO139258B (no) 1978-10-23
ES401053A1 (es) 1975-07-01
BE781153A (fr) 1972-09-25
YU74172A (en) 1982-02-28
DE2114065C2 (de) 1982-08-19
IL39048A0 (en) 1972-05-30
NO139258C (no) 1979-01-31
DK137918B (da) 1978-06-05
ATA221472A (de) 1979-01-15
AU4025672A (en) 1973-09-27
NL172926C (nl) 1983-11-16
US3880691A (en) 1975-04-29
CH540971A (de) 1973-08-31

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