JPS5026746A - - Google Patents
Info
- Publication number
- JPS5026746A JPS5026746A JP49032727A JP3272774A JPS5026746A JP S5026746 A JPS5026746 A JP S5026746A JP 49032727 A JP49032727 A JP 49032727A JP 3272774 A JP3272774 A JP 3272774A JP S5026746 A JPS5026746 A JP S5026746A
- Authority
- JP
- Japan
- 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.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J3/00—Processes of utilising sub-atmospheric or super-atmospheric pressure to effect chemical or physical change of matter; Apparatus therefor
- B01J3/06—Processes using ultra-high pressure, e.g. for the formation of diamonds; Apparatus therefor, e.g. moulds or dies
- B01J3/062—Processes using ultra-high pressure, e.g. for the formation of diamonds; Apparatus therefor, e.g. moulds or dies characterised by the composition of the materials to be processed
-
- 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
- B21C3/00—Profiling tools for metal drawing; Combinations of dies and mandrels
- B21C3/02—Dies; Selection of material therefor; Cleaning thereof
- B21C3/025—Dies; Selection of material therefor; Cleaning thereof comprising diamond parts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F7/00—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression
- B22F7/06—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of composite workpieces or articles from parts, e.g. to form tipped tools
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2203/00—Processes utilising sub- or super atmospheric pressure
- B01J2203/06—High pressure synthesis
- B01J2203/0605—Composition of the material to be processed
- B01J2203/062—Diamond
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2203/00—Processes utilising sub- or super atmospheric pressure
- B01J2203/06—High pressure synthesis
- B01J2203/0605—Composition of the material to be processed
- B01J2203/0645—Boronitrides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2203/00—Processes utilising sub- or super atmospheric pressure
- B01J2203/06—High pressure synthesis
- B01J2203/065—Composition of the material produced
- B01J2203/0655—Diamond
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2203/00—Processes utilising sub- or super atmospheric pressure
- B01J2203/06—High pressure synthesis
- B01J2203/065—Composition of the material produced
- B01J2203/066—Boronitrides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2203/00—Processes utilising sub- or super atmospheric pressure
- B01J2203/06—High pressure synthesis
- B01J2203/0675—Structural or physico-chemical features of the materials processed
- B01J2203/0685—Crystal sintering
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Composite Materials (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metal Extraction Processes (AREA)
- Powder Metallurgy (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US00345178A US3831428A (en) | 1973-03-26 | 1973-03-26 | Composite wire drawing die |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5026746A true JPS5026746A (pl) | 1975-03-19 |
Family
ID=23353892
Family Applications (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP49032727A Pending JPS5026746A (pl) | 1973-03-26 | 1974-03-25 | |
JP15652578A Granted JPS5499061A (en) | 1973-03-26 | 1978-12-20 | Production of composite line drawing dice |
JP61054560A Granted JPS61269928A (ja) | 1973-03-26 | 1986-03-12 | 線引きダイス |
Family Applications After (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP15652578A Granted JPS5499061A (en) | 1973-03-26 | 1978-12-20 | Production of composite line drawing dice |
JP61054560A Granted JPS61269928A (ja) | 1973-03-26 | 1986-03-12 | 線引きダイス |
Country Status (17)
Country | Link |
---|---|
US (1) | US3831428A (pl) |
JP (3) | JPS5026746A (pl) |
AR (1) | AR201040A1 (pl) |
AT (1) | AT345762B (pl) |
BE (1) | BE812857A (pl) |
BR (1) | BR7402345D0 (pl) |
CA (1) | CA999556A (pl) |
CH (1) | CH579425A5 (pl) |
DE (1) | DE2413166A1 (pl) |
ES (1) | ES424402A1 (pl) |
FR (1) | FR2223097B1 (pl) |
IE (1) | IE38922B1 (pl) |
IN (1) | IN139389B (pl) |
IT (1) | IT1008450B (pl) |
NL (1) | NL7402920A (pl) |
SE (1) | SE417063B (pl) |
ZA (1) | ZA741265B (pl) |
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS524455A (en) * | 1975-06-25 | 1977-01-13 | Gen Electric | Wire drawing die |
JPS5495961A (en) * | 1977-09-14 | 1979-07-28 | De Beers Ind Diamond | Wire drawing die and composite thereof |
JPS5499061A (en) * | 1973-03-26 | 1979-08-04 | Gen Electric | Production of composite line drawing dice |
DE2927079A1 (de) | 1978-07-04 | 1980-01-17 | Sumitomo Electric Industries | Diamant-presskoerper, der verwendbar ist fuer ein drahtziehwerkzeug und verfahren zu seiner herstellung |
JPS5511786A (en) * | 1978-04-21 | 1980-01-26 | Christensen Inc | Cutting element for working rock* metal or like |
JPS56128612A (en) * | 1980-03-12 | 1981-10-08 | Sumitomo Electric Ind Ltd | Sintered diamond die and its manufacture |
JPS6176534A (ja) * | 1984-09-21 | 1986-04-19 | Toa Nenryo Kogyo Kk | ポリエチレンフイルム |
JPS6192823A (ja) * | 1984-03-27 | 1986-05-10 | Toshiba Mach Co Ltd | 成形機用耐摩耗部材の製造方法 |
JPS61138411U (pl) * | 1985-02-19 | 1986-08-28 | ||
CN111804744A (zh) * | 2019-04-11 | 2020-10-23 | 安平县燕赵矿筛网业有限公司 | 一种梯形丝拉丝流水线 |
Families Citing this family (57)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4078456A (en) * | 1977-03-28 | 1978-03-14 | Cabot Corporation | Diamond wire drawing die blanks and methods of making the same |
US4268276A (en) * | 1978-04-24 | 1981-05-19 | General Electric Company | Compact of boron-doped diamond and method for making same |
IE48798B1 (en) * | 1978-08-18 | 1985-05-15 | De Beers Ind Diamond | Method of making tool inserts,wire-drawing die blank and drill bit comprising such inserts |
US4241625A (en) * | 1979-03-08 | 1980-12-30 | Fort Wayne Wire Die, Inc. | Method of making a wire drawing die |
NL7904922A (nl) * | 1979-06-25 | 1980-12-30 | Philips Nv | Werkwijze voor de vervaardiging van een treksteen. |
IL60566A (en) * | 1979-08-23 | 1983-02-23 | Gen Electric | Supported diamond and improved method for preparing diamond compacts containing single crystal diamonds |
US4259090A (en) * | 1979-11-19 | 1981-03-31 | General Electric Company | Method of making diamond compacts for rock drilling |
ZA806249B (en) * | 1979-11-19 | 1982-01-27 | Gen Electric | Compacts for diamond drill and saw applications |
CA1163770A (en) * | 1980-02-29 | 1984-03-20 | Hyun S. Cho | High pressure process for preparing diamond wire die compacts |
US4534934A (en) * | 1980-02-29 | 1985-08-13 | General Electric Company | Axial sweep-through process for preparing diamond wire die compacts |
EP0037714B1 (en) * | 1980-04-03 | 1983-07-13 | De Beers Industrial Diamond Division (Proprietary) Limited | High pressure, high temperature die assembly |
US4311490A (en) * | 1980-12-22 | 1982-01-19 | General Electric Company | Diamond and cubic boron nitride abrasive compacts using size selective abrasive particle layers |
US4525179A (en) * | 1981-07-27 | 1985-06-25 | General Electric Company | Process for making diamond and cubic boron nitride compacts |
US4518659A (en) * | 1982-04-02 | 1985-05-21 | General Electric Company | Sweep through process for making polycrystalline compacts |
US4629373A (en) * | 1983-06-22 | 1986-12-16 | Megadiamond Industries, Inc. | Polycrystalline diamond body with enhanced surface irregularities |
SE453474B (sv) * | 1984-06-27 | 1988-02-08 | Santrade Ltd | Kompoundkropp belagd med skikt av polykristallin diamant |
US4732364A (en) * | 1984-12-17 | 1988-03-22 | Ameron Iron Works USA, Inc. | Wear resistant diamond cladding |
US4778486A (en) * | 1985-02-04 | 1988-10-18 | The General Electric Company | Directional catalyst alloy sweep through process for preparing diamond compacts |
US4810447A (en) * | 1985-02-04 | 1989-03-07 | General Electric Company | System for improved flaw detection in polycrystalline diamond |
US4832708A (en) * | 1985-02-04 | 1989-05-23 | General Electric Company | System For improved flaw detection in polycrystalline diamond |
IE57439B1 (en) * | 1985-04-09 | 1992-09-09 | De Beers Ind Diamond | Wire drawing die |
DE3546113A1 (de) * | 1985-12-24 | 1987-06-25 | Santrade Ltd | Verbundpulverteilchen, verbundkoerper und verfahren zu deren herstellung |
US4797326A (en) * | 1986-01-14 | 1989-01-10 | The General Electric Company | Supported polycrystalline compacts |
US4907377A (en) * | 1988-06-16 | 1990-03-13 | General Electric Company | Directional catalyst alloy sweep through process for preparing diamond compacts |
US5033334A (en) * | 1989-05-12 | 1991-07-23 | Cornelius Phaal | Wire drawing die |
JPH0638570Y2 (ja) * | 1989-12-07 | 1994-10-12 | 住友電気工業株式会社 | 高硬度複合焼結体製伸線ダイス |
US5571236A (en) * | 1992-08-28 | 1996-11-05 | Sumitomo Electric Industries, Ltd. | Diamond wire drawing die |
US5512235A (en) * | 1994-05-06 | 1996-04-30 | General Electric Company | Supported polycrystalline compacts having improved physical properties and method for making same |
US5510193A (en) | 1994-10-13 | 1996-04-23 | General Electric Company | Supported polycrystalline diamond compact having a cubic boron nitride interlayer for improved physical properties |
US5660075A (en) * | 1995-03-28 | 1997-08-26 | General Electric Company | Wire drawing die having improved physical properties |
US5636545A (en) * | 1995-07-07 | 1997-06-10 | General Electric Company | Composite diamond wire die |
US5634370A (en) * | 1995-07-07 | 1997-06-03 | General Electric Company | Composite diamond wire die |
US5634369A (en) * | 1995-07-07 | 1997-06-03 | General Electric Company | Composite diamond wire die |
US5855996A (en) | 1995-12-12 | 1999-01-05 | General Electric Company | Abrasive compact with improved properties |
US5957005A (en) * | 1997-10-14 | 1999-09-28 | General Electric Company | Wire drawing die with non-cylindrical interface configuration for reducing stresses |
AU3389699A (en) * | 1998-04-22 | 1999-11-08 | De Beers Industrial Diamond Division (Proprietary) Limited | Diamond compact |
US6196910B1 (en) | 1998-08-10 | 2001-03-06 | General Electric Company | Polycrystalline diamond compact cutter with improved cutting by preventing chip build up |
US6660225B2 (en) * | 2000-12-11 | 2003-12-09 | Advanced Materials Technologies Pte, Ltd. | Method to form multi-material components |
CN1309494C (zh) * | 2002-05-31 | 2007-04-11 | 住友电气工业株式会社 | 金刚石烧结体拉拔模用材料及金刚石烧结体拉拔模 |
US20040062928A1 (en) * | 2002-10-01 | 2004-04-01 | General Electric Company | Method for producing a sintered, supported polycrystalline diamond compact |
US7368079B2 (en) * | 2003-12-09 | 2008-05-06 | Smith International, Inc. | Method for forming ultra hard sintered compacts using metallic peripheral structures in the sintering cell |
US7469569B2 (en) * | 2003-12-10 | 2008-12-30 | Diamond Innovations, Inc. | Wire drawing die and method of making |
US9403137B2 (en) * | 2005-09-15 | 2016-08-02 | Diamond Innovations, Inc. | Polycrystalline diamond material with extremely fine microstructures |
US20070056778A1 (en) * | 2005-09-15 | 2007-03-15 | Steven Webb | Sintered polycrystalline diamond material with extremely fine microstructures |
KR101182566B1 (ko) * | 2007-02-02 | 2012-09-12 | 스미또모 덴꼬오 하드메탈 가부시끼가이샤 | 다이아몬드 소결체 및 절삭공구용 날끝 교환식 팁 |
GB0716268D0 (en) * | 2007-08-21 | 2007-09-26 | Reedhycalog Uk Ltd | PDC cutter with stress diffusing structures |
GB2467570B (en) * | 2009-02-09 | 2012-09-19 | Reedhycalog Uk Ltd | Cutting element |
US8945720B2 (en) * | 2009-08-06 | 2015-02-03 | National Oilwell Varco, L.P. | Hard composite with deformable constituent and method of applying to earth-engaging tool |
US8919463B2 (en) | 2010-10-25 | 2014-12-30 | National Oilwell DHT, L.P. | Polycrystalline diamond cutting element |
US8997900B2 (en) | 2010-12-15 | 2015-04-07 | National Oilwell DHT, L.P. | In-situ boron doped PDC element |
GB201109098D0 (en) * | 2011-05-31 | 2011-07-13 | Element Six Production Pty Ltd | A superhard construction |
US8696264B2 (en) | 2012-01-31 | 2014-04-15 | Kennametal Inc. | Modular cutting insert and method of making same |
DE102012001732B4 (de) | 2012-01-31 | 2022-11-10 | Kennametal Inc. | Werkzeugkopf für ein modulares Schaftwerkzeug, Schaftwerkzeug mit einem solchen Werkzeugkopf sowie Herstellungsverfahren für einen Werkzeugkopf |
DE102012206273A1 (de) | 2012-04-17 | 2013-10-17 | Tesa Se | Vernetzbare Klebmasse mit Hart- und Weichblöcken als Permeantenbarriere |
CN103433313A (zh) * | 2013-08-22 | 2013-12-11 | 郑州新亚复合超硬材料有限公司 | 聚晶金刚石拉丝模坯料及其制造方法 |
CN104525593B (zh) * | 2014-11-18 | 2017-02-22 | 西安理工大学 | 拉丝模具及其制备方法 |
CN105797648A (zh) * | 2016-03-25 | 2016-07-27 | 河南四方达超硬材料股份有限公司 | 一种异形孔聚晶金刚石拉丝模坯的制造方法 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1944758A (en) * | 1929-09-12 | 1934-01-23 | Gen Cable Corp | Method of making drawing dies |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1935821A (en) * | 1929-10-02 | 1933-11-21 | Simons Morris | Wire drawing die |
FR687568A (fr) * | 1929-12-31 | 1930-08-11 | Perfectionnements aux filières d'étirage pour fils métalliques | |
US2058110A (en) * | 1934-01-23 | 1936-10-20 | Gen Electric | Drawing die |
US2689641A (en) * | 1952-05-03 | 1954-09-21 | Hartford Nat Bank & Trust Co | Method of manufacturing diamond dies incorporated in shrouds and mounted in settings |
US2866364A (en) * | 1953-05-08 | 1958-12-30 | Bieberich Paul | Wire drawing die blank and method of making same |
US3407445A (en) * | 1966-03-02 | 1968-10-29 | Gen Electric | High pressure reaction vessel for the preparation of diamond |
US3831428A (en) * | 1973-03-26 | 1974-08-27 | Gen Electric | Composite wire drawing die |
NL174715C (nl) * | 1971-07-01 | 1984-08-01 | Gen Electric | Werkwijze ter vervaardiging van een slijplichaam, alsmede snijgereedschap voorzien van een volgens deze werkwijze vervaardigd inzetstuk. |
-
1973
- 1973-03-26 US US00345178A patent/US3831428A/en not_active Expired - Lifetime
-
1974
- 1974-02-25 IE IE00376/74A patent/IE38922B1/xx unknown
- 1974-02-26 ZA ZA00741265A patent/ZA741265B/xx unknown
- 1974-02-27 CA CA193,667A patent/CA999556A/en not_active Expired
- 1974-03-04 NL NL7402920A patent/NL7402920A/xx unknown
- 1974-03-08 ES ES424402A patent/ES424402A1/es not_active Expired
- 1974-03-19 DE DE2413166A patent/DE2413166A1/de active Granted
- 1974-03-20 IN IN609/CAL/74A patent/IN139389B/en unknown
- 1974-03-21 IT IT49405/74A patent/IT1008450B/it active
- 1974-03-21 CH CH396874A patent/CH579425A5/xx not_active IP Right Cessation
- 1974-03-22 SE SE7403947A patent/SE417063B/xx not_active IP Right Cessation
- 1974-03-25 AR AR252937A patent/AR201040A1/es active
- 1974-03-25 BR BR2345/74A patent/BR7402345D0/pt unknown
- 1974-03-25 JP JP49032727A patent/JPS5026746A/ja active Pending
- 1974-03-26 FR FR7410226A patent/FR2223097B1/fr not_active Expired
- 1974-03-26 AT AT252074A patent/AT345762B/de not_active IP Right Cessation
- 1974-03-26 BE BE142474A patent/BE812857A/xx not_active IP Right Cessation
-
1978
- 1978-12-20 JP JP15652578A patent/JPS5499061A/ja active Granted
-
1986
- 1986-03-12 JP JP61054560A patent/JPS61269928A/ja active Granted
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1944758A (en) * | 1929-09-12 | 1934-01-23 | Gen Cable Corp | Method of making drawing dies |
Cited By (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5499061A (en) * | 1973-03-26 | 1979-08-04 | Gen Electric | Production of composite line drawing dice |
JPH0224605B2 (pl) * | 1973-03-26 | 1990-05-30 | Gen Electric | |
JPS524455A (en) * | 1975-06-25 | 1977-01-13 | Gen Electric | Wire drawing die |
JPS6353310U (pl) * | 1977-09-14 | 1988-04-09 | ||
JPS5495961A (en) * | 1977-09-14 | 1979-07-28 | De Beers Ind Diamond | Wire drawing die and composite thereof |
JPH0515367Y2 (pl) * | 1977-09-14 | 1993-04-22 | ||
JPS5511786A (en) * | 1978-04-21 | 1980-01-26 | Christensen Inc | Cutting element for working rock* metal or like |
JPS6023934B2 (ja) * | 1978-04-21 | 1985-06-10 | ノ−トン クリステンセン、インコ−ポレイティド | 岩石、金属等の加工用切削要素の製造方法 |
US4374900A (en) * | 1978-07-04 | 1983-02-22 | Sumitomo Electric Industry, Ltd. | Composite diamond compact for a wire drawing die and a process for the production of the same |
DE2927079A1 (de) | 1978-07-04 | 1980-01-17 | Sumitomo Electric Industries | Diamant-presskoerper, der verwendbar ist fuer ein drahtziehwerkzeug und verfahren zu seiner herstellung |
JPS56128612A (en) * | 1980-03-12 | 1981-10-08 | Sumitomo Electric Ind Ltd | Sintered diamond die and its manufacture |
JPS6192823A (ja) * | 1984-03-27 | 1986-05-10 | Toshiba Mach Co Ltd | 成形機用耐摩耗部材の製造方法 |
JPS6176534A (ja) * | 1984-09-21 | 1986-04-19 | Toa Nenryo Kogyo Kk | ポリエチレンフイルム |
JPH038659B2 (pl) * | 1984-09-21 | 1991-02-06 | Tonen Kk | |
JPS61138411U (pl) * | 1985-02-19 | 1986-08-28 | ||
CN111804744A (zh) * | 2019-04-11 | 2020-10-23 | 安平县燕赵矿筛网业有限公司 | 一种梯形丝拉丝流水线 |
Also Published As
Publication number | Publication date |
---|---|
US3831428A (en) | 1974-08-27 |
SE7403947L (pl) | 1974-09-27 |
DE2413166C2 (pl) | 1989-03-16 |
JPH0475084B2 (pl) | 1992-11-27 |
FR2223097B1 (pl) | 1980-12-05 |
SE417063B (sv) | 1981-02-23 |
ATA252074A (de) | 1978-02-15 |
ES424402A1 (es) | 1976-06-16 |
JPS5499061A (en) | 1979-08-04 |
IE38922L (en) | 1974-09-26 |
CH579425A5 (pl) | 1976-09-15 |
CA999556A (en) | 1976-11-09 |
FR2223097A1 (pl) | 1974-10-25 |
JPS61269928A (ja) | 1986-11-29 |
NL7402920A (pl) | 1974-09-30 |
IE38922B1 (en) | 1978-07-05 |
ZA741265B (en) | 1975-01-29 |
AR201040A1 (es) | 1975-02-06 |
IN139389B (pl) | 1976-06-12 |
IT1008450B (it) | 1976-11-10 |
AT345762B (de) | 1978-10-10 |
DE2413166A1 (de) | 1974-10-03 |
AU6611974A (en) | 1975-08-28 |
JPH0224605B2 (pl) | 1990-05-30 |
BE812857A (fr) | 1974-07-15 |
BR7402345D0 (pt) | 1974-11-19 |