IL41599A - Hollow articles made from a memory metal and their manufacture - Google Patents
Hollow articles made from a memory metal and their manufactureInfo
- Publication number
- IL41599A IL41599A IL41599A IL4159970A IL41599A IL 41599 A IL41599 A IL 41599A IL 41599 A IL41599 A IL 41599A IL 4159970 A IL4159970 A IL 4159970A IL 41599 A IL41599 A IL 41599A
- Authority
- IL
- Israel
- Prior art keywords
- article
- hollow article
- hollow
- coupling
- atom percent
- Prior art date
Links
- 229910052751 metal Inorganic materials 0.000 title claims description 29
- 239000002184 metal Substances 0.000 title claims description 29
- 238000004519 manufacturing process Methods 0.000 title description 5
- 230000007704 transition Effects 0.000 claims description 33
- 238000000034 method Methods 0.000 claims description 25
- 229910045601 alloy Inorganic materials 0.000 claims description 21
- 239000000956 alloy Substances 0.000 claims description 21
- 239000000463 material Substances 0.000 claims description 15
- 238000010438 heat treatment Methods 0.000 claims description 6
- 239000007788 liquid Substances 0.000 claims description 5
- 230000002269 spontaneous effect Effects 0.000 claims description 5
- 229910052790 beryllium Inorganic materials 0.000 claims description 3
- ATBAMAFKBVZNFJ-UHFFFAOYSA-N beryllium atom Chemical compound [Be] ATBAMAFKBVZNFJ-UHFFFAOYSA-N 0.000 claims description 3
- 230000008602 contraction Effects 0.000 claims description 2
- 238000007654 immersion Methods 0.000 claims 1
- 230000008878 coupling Effects 0.000 description 76
- 238000010168 coupling process Methods 0.000 description 76
- 238000005859 coupling reaction Methods 0.000 description 76
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 6
- 238000011084 recovery Methods 0.000 description 6
- 239000007769 metal material Substances 0.000 description 5
- 150000002739 metals Chemical class 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 4
- 230000006698 induction Effects 0.000 description 4
- 239000010936 titanium Substances 0.000 description 4
- 229910052719 titanium Inorganic materials 0.000 description 4
- 238000007667 floating Methods 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 210000001503 joint Anatomy 0.000 description 3
- 238000002844 melting Methods 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- 239000010935 stainless steel Substances 0.000 description 3
- 229910001220 stainless steel Inorganic materials 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 238000009835 boiling Methods 0.000 description 2
- 239000000470 constituent Substances 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 239000001307 helium Substances 0.000 description 2
- 229910052734 helium Inorganic materials 0.000 description 2
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 230000000452 restraining effect Effects 0.000 description 2
- IJJWOSAXNHWBPR-HUBLWGQQSA-N 5-[(3as,4s,6ar)-2-oxo-1,3,3a,4,6,6a-hexahydrothieno[3,4-d]imidazol-4-yl]-n-(6-hydrazinyl-6-oxohexyl)pentanamide Chemical compound N1C(=O)N[C@@H]2[C@H](CCCCC(=O)NCCCCCC(=O)NN)SC[C@@H]21 IJJWOSAXNHWBPR-HUBLWGQQSA-N 0.000 description 1
- OWNRRUFOJXFKCU-UHFFFAOYSA-N Bromadiolone Chemical compound C=1C=C(C=2C=CC(Br)=CC=2)C=CC=1C(O)CC(C=1C(OC2=CC=CC=C2C=1O)=O)C1=CC=CC=C1 OWNRRUFOJXFKCU-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 1
- HZEWFHLRYVTOIW-UHFFFAOYSA-N [Ti].[Ni] Chemical compound [Ti].[Ni] HZEWFHLRYVTOIW-UHFFFAOYSA-N 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- UQZIWOQVLUASCR-UHFFFAOYSA-N alumane;titanium Chemical compound [AlH3].[Ti] UQZIWOQVLUASCR-UHFFFAOYSA-N 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 239000012300 argon atmosphere Substances 0.000 description 1
- 239000012298 atmosphere Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005219 brazing Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 238000010894 electron beam technology Methods 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 229910000765 intermetallic Inorganic materials 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 239000011572 manganese Substances 0.000 description 1
- 229910000734 martensite Inorganic materials 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 229910001000 nickel titanium Inorganic materials 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000003313 weakening effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C19/00—Alloys based on nickel or cobalt
- C22C19/007—Alloys based on nickel or cobalt with a light metal (alkali metal Li, Na, K, Rb, Cs; earth alkali metal Be, Mg, Ca, Sr, Ba, Al Ga, Ge, Ti) or B, Si, Zr, Hf, Sc, Y, lanthanides, actinides, as the next major constituent
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C23/00—Extruding metal; Impact extrusion
- B21C23/02—Making uncoated products
- B21C23/03—Making uncoated products by both direct and backward extrusion
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P11/00—Connecting or disconnecting metal parts or objects by metal-working techniques not otherwise provided for
- B23P11/02—Connecting or disconnecting metal parts or objects by metal-working techniques not otherwise provided for by first expanding and then shrinking or vice versa, e.g. by using pressure fluids; by making force fits
- B23P11/025—Connecting or disconnecting metal parts or objects by metal-working techniques not otherwise provided for by first expanding and then shrinking or vice versa, e.g. by using pressure fluids; by making force fits by using heat or cold
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/006—Resulting in heat recoverable alloys with a memory effect
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L13/00—Non-disconnectible pipe-joints, e.g. soldered, adhesive or caulked joints
- F16L13/004—Shrunk pipe-joints
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B2200/00—Constructional details of connections not covered for in other groups of this subclass
- F16B2200/77—Use of a shape-memory material
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- General Engineering & Computer Science (AREA)
- Crystallography & Structural Chemistry (AREA)
- Thermal Sciences (AREA)
- Physics & Mathematics (AREA)
- Non-Disconnectible Joints And Screw-Threaded Joints (AREA)
- Connections Effected By Soldering, Adhesion, Or Permanent Deformation (AREA)
- Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
- Laminated Bodies (AREA)
- Earth Drilling (AREA)
- Reciprocating Pumps (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US85272269A | 1969-08-25 | 1969-08-25 |
Publications (1)
Publication Number | Publication Date |
---|---|
IL41599A true IL41599A (en) | 1973-10-25 |
Family
ID=25314068
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IL41599A IL41599A (en) | 1969-08-25 | 1970-08-10 | Hollow articles made from a memory metal and their manufacture |
IL35091A IL35091A (en) | 1969-08-25 | 1970-08-10 | Metallic coupling for pipes and the like |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IL35091A IL35091A (en) | 1969-08-25 | 1970-08-10 | Metallic coupling for pipes and the like |
Country Status (12)
Country | Link |
---|---|
JP (2) | JPS544898B1 (xx) |
AT (1) | AT328806B (xx) |
BE (1) | BE755271A (xx) |
CA (1) | CA1021824A (xx) |
CH (2) | CH569911A5 (xx) |
DE (1) | DE2041807C3 (xx) |
FR (1) | FR2059202A5 (xx) |
GB (2) | GB1327441A (xx) |
IL (2) | IL41599A (xx) |
NL (1) | NL170183C (xx) |
SE (1) | SE391015B (xx) |
ZA (1) | ZA705563B (xx) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4836586A (en) * | 1975-04-09 | 1989-06-06 | Raychem Corporation | Composite coupling |
US4874193A (en) * | 1975-04-09 | 1989-10-17 | Raychem Corporation | Heat-recoverable composition coupling device |
Families Citing this family (41)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3783429A (en) * | 1972-06-21 | 1974-01-01 | Raychem Corp | Temperature actuated connector |
NL7315089A (xx) * | 1972-06-21 | 1974-05-10 | ||
US4379575A (en) | 1973-10-09 | 1983-04-12 | Raychem Corporation | Composite coupling |
IT1022743B (it) * | 1973-10-09 | 1978-04-20 | Raychem Corp | Accopiamento composto particolarmente per conduttore idrauliche |
SE444060B (sv) * | 1975-04-09 | 1986-03-17 | Raychem Corp | Anordning for hopkoppling eller reparation av ror eller andra substrat |
JPS5993241A (ja) * | 1973-10-09 | 1984-05-29 | レイチエム コーポレーシヨン | 管閉塞用器具 |
GB1571627A (en) * | 1976-01-22 | 1980-07-16 | Raychem Corp | Heat-recoverable coupling |
US4281841A (en) * | 1978-03-30 | 1981-08-04 | The United States Of America As Represented By The United States Department Of Energy | O-Ring sealing arrangements for ultra-high vacuum systems |
JPS54159852U (xx) * | 1978-04-28 | 1979-11-08 | ||
DE2837541A1 (de) * | 1978-08-10 | 1980-02-14 | Bbc Brown Boveri & Cie | Verbindung von bauelementen |
CH653419A5 (de) * | 1978-12-06 | 1985-12-31 | Raychem Ltd | Verbindungsvorrichtung zum verbinden laenglicher teile und zugehoeriges verwendungsverfahren. |
US4300284A (en) * | 1978-12-15 | 1981-11-17 | Raychem Corporation | Method and apparatus to organize and to electrically connect wires |
BE880992A (fr) * | 1979-01-05 | 1980-05-02 | Raychem Corp | Perfectionnements aux dispositifs a reprise thermique |
DE2945474C2 (de) * | 1979-11-10 | 1983-02-03 | Vaw-Leichtmetall Gmbh, 5300 Bonn | Rohranschluß zum Verbinden von Rohren mit Flanschen, Voll- oder Hohlprofilen und Verfahren zur Herstellung des Rohranschlusses |
DE3007307A1 (de) * | 1980-01-18 | 1981-07-23 | BBC AG Brown, Boveri & Cie., Baden, Aargau | Schrumpfverbindung und verfahren zu deren herstellung |
CA1174845A (en) | 1980-07-23 | 1984-09-25 | William D. Carlomagno | Markable thermochromic article |
IL64508A0 (en) * | 1980-12-12 | 1982-03-31 | Raychem Pontoise Sa | Wire stripping arrangement |
US4487465A (en) * | 1981-12-07 | 1984-12-11 | Raychem Corporation | Heat recoverable connecting device |
DE3148498C2 (de) * | 1981-12-08 | 1986-06-05 | Esser-Brieden GmbH & Co KG, 4788 Warstein | Verfahren zur Herstellung eines doppelwandigen Rohres für den Feststofftransport |
JPS58151445A (ja) * | 1982-02-27 | 1983-09-08 | Tohoku Metal Ind Ltd | 可逆形状記憶効果を有するチタンニツケル合金およびその製造方法 |
FR2531404B1 (fr) * | 1982-08-06 | 1986-06-06 | Commissariat Energie Atomique | Procede et dispositif de fermeture etanche d'un conteneur par frettage de deux portees coniques |
FR2563055A1 (fr) * | 1984-04-12 | 1985-10-18 | Souriau & Cie | Procede de realisation de connecteur |
FI854459A (fi) * | 1984-11-14 | 1986-05-15 | Raychem Sa Nv | Sammanfogning av isolerade laongstraeckta delar av roerledningar. |
US4717352A (en) * | 1985-03-19 | 1988-01-05 | Souriau & Cie | Connection element between an electric connector and a connector contact |
FR2589287B2 (fr) * | 1985-03-19 | 1988-10-21 | Souriau & Cie | Borne de contact electrique thermo-enfichable sur une carte de circuit imprime multicouche et connecteur comportant celle-ci |
FR2579379B1 (fr) * | 1985-03-19 | 1988-02-26 | Souriau & Cie | Element de raccordement entre un conducteur electrique et un contact de connecteur |
FR2579375B1 (fr) * | 1985-03-19 | 1991-05-03 | Souriau & Cie | Connecteur electrique a element de contact en materiau a memoire de forme |
FR2585191B1 (fr) * | 1985-07-19 | 1988-09-30 | Souriau & Cie | Raccord pour connexion de zones de contact electrique en materiau a memoire de forme |
FR2594254B1 (fr) * | 1986-01-30 | 1988-02-26 | Souriau & Cie | Element a memoire de forme pour raccord de tresse sur connecteur. |
US4720944A (en) * | 1986-06-04 | 1988-01-26 | Paul Loicq | Suspended ceiling panel retaining system |
FR2608725B1 (fr) * | 1986-12-23 | 1989-04-14 | Souriau & Cie | Prise amovible pour piquage de fluide sous pression |
DE3860397D1 (de) * | 1987-02-19 | 1990-09-13 | Raychem Corp | Kupplungsvorrichtung. |
DE4013481A1 (de) * | 1990-04-27 | 1991-10-31 | Teves Gmbh Alfred | Ventilblock, insbesondere fuer schlupfgeregelte bremsanlagen |
DE4025844C2 (de) * | 1990-08-16 | 1996-08-08 | Diehl Gmbh & Co | Geschoß-Führungsband aus Formgedächtnismetall |
EP0491997A1 (de) * | 1990-12-28 | 1992-07-01 | Karl Küfner Kg | Hohlkörper, insbesondere Rohrstück oder Zylinderkörper |
DE19933772A1 (de) * | 1999-07-19 | 2001-02-08 | Metzeler Automotive Profiles | Anschlußstück |
DE10144277C1 (de) * | 2001-09-08 | 2003-03-06 | Airbus Gmbh | Rohrleitungsverbindung |
DE102008008290A1 (de) * | 2008-02-07 | 2009-08-20 | H. Wernert & Co. Ohg | Laufradanordnung für eine Pumpe sowie Verfahren zum Herstellen einer solchen Laufradanordnung |
DE102014114734B4 (de) * | 2014-10-10 | 2017-02-09 | Deutsches Zentrum für Luft- und Raumfahrt e.V. | Verbindungssystem |
CN106756224A (zh) * | 2017-02-27 | 2017-05-31 | 诸暨市宏哲机械有限公司 | 一种水管接头卡嵌件以及用于生产水管接头卡嵌件的合金材料 |
DE102019105845A1 (de) * | 2019-03-07 | 2020-09-10 | Volkswagen Aktiengesellschaft | Rohr-Schlauch-Anordnung |
-
0
- BE BE755271D patent/BE755271A/xx not_active IP Right Cessation
-
1970
- 1970-08-10 IL IL41599A patent/IL41599A/en unknown
- 1970-08-10 IL IL35091A patent/IL35091A/en unknown
- 1970-08-12 ZA ZA705563A patent/ZA705563B/xx unknown
- 1970-08-20 GB GB4013870A patent/GB1327441A/en not_active Expired
- 1970-08-20 GB GB853373A patent/GB1327442A/en not_active Expired
- 1970-08-22 DE DE2041807A patent/DE2041807C3/de not_active Expired
- 1970-08-25 JP JP7451670A patent/JPS544898B1/ja active Pending
- 1970-08-25 SE SE7208626A patent/SE391015B/xx unknown
- 1970-08-25 NL NLAANVRAGE7012568,A patent/NL170183C/xx not_active IP Right Cessation
- 1970-08-25 CA CA091,453A patent/CA1021824A/en not_active Expired
- 1970-08-25 AT AT770670A patent/AT328806B/de not_active IP Right Cessation
- 1970-08-25 FR FR7031055A patent/FR2059202A5/fr not_active Expired
- 1970-08-25 CH CH1267270A patent/CH569911A5/xx not_active IP Right Cessation
-
1975
- 1975-01-09 CH CH1267270A patent/CH592266A5/xx not_active IP Right Cessation
-
1976
- 1976-04-19 JP JP51044359A patent/JPS525458B1/ja active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4836586A (en) * | 1975-04-09 | 1989-06-06 | Raychem Corporation | Composite coupling |
US4874193A (en) * | 1975-04-09 | 1989-10-17 | Raychem Corporation | Heat-recoverable composition coupling device |
Also Published As
Publication number | Publication date |
---|---|
CH592266A5 (xx) | 1977-10-14 |
FR2059202A5 (xx) | 1971-05-28 |
IL35091A (en) | 1973-10-25 |
JPS544898B1 (xx) | 1979-03-12 |
GB1327442A (en) | 1973-08-22 |
DE2065651B2 (de) | 1977-01-20 |
CA1021824A (en) | 1977-11-29 |
NL170183B (nl) | 1982-05-03 |
DE2041807C3 (de) | 1978-07-13 |
DE2065651A1 (de) | 1974-10-10 |
ATA770670A (de) | 1975-06-15 |
CH569911A5 (xx) | 1975-11-28 |
AT328806B (de) | 1976-04-12 |
IL35091A0 (en) | 1970-10-30 |
GB1327441A (en) | 1973-08-22 |
DE2041807A1 (de) | 1971-11-18 |
NL170183C (nl) | 1982-10-01 |
DE2041807B2 (de) | 1977-11-24 |
ZA705563B (en) | 1971-06-30 |
SE391015B (sv) | 1977-01-31 |
JPS525458B1 (xx) | 1977-02-14 |
NL7012568A (xx) | 1971-03-01 |
BE755271A (fr) | 1971-02-25 |
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