JP2566498B2 - 高純度微細ガラス粉の製法 - Google Patents
高純度微細ガラス粉の製法Info
- Publication number
- JP2566498B2 JP2566498B2 JP4020633A JP2063392A JP2566498B2 JP 2566498 B2 JP2566498 B2 JP 2566498B2 JP 4020633 A JP4020633 A JP 4020633A JP 2063392 A JP2063392 A JP 2063392A JP 2566498 B2 JP2566498 B2 JP 2566498B2
- Authority
- JP
- Japan
- Prior art keywords
- glass
- glass powder
- ground
- grinding
- water
- Prior art date
- 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 - Fee Related
Links
- 239000011521 glass Substances 0.000 title claims description 70
- 239000000843 powder Substances 0.000 title claims description 43
- 238000004519 manufacturing process Methods 0.000 title claims description 16
- 238000000227 grinding Methods 0.000 claims description 43
- 238000000034 method Methods 0.000 claims description 31
- 239000002245 particle Substances 0.000 claims description 26
- 239000004033 plastic Substances 0.000 claims description 16
- 229920003023 plastic Polymers 0.000 claims description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 16
- 239000002002 slurry Substances 0.000 claims description 13
- 239000007788 liquid Substances 0.000 claims description 12
- 238000010298 pulverizing process Methods 0.000 claims description 10
- 239000000203 mixture Substances 0.000 claims description 9
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 8
- 150000002894 organic compounds Chemical class 0.000 claims description 7
- QUSNBJAOOMFDIB-UHFFFAOYSA-N Ethylamine Chemical compound CCN QUSNBJAOOMFDIB-UHFFFAOYSA-N 0.000 claims description 6
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 6
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 6
- DKGAVHZHDRPRBM-UHFFFAOYSA-N Tert-Butanol Chemical compound CC(C)(C)O DKGAVHZHDRPRBM-UHFFFAOYSA-N 0.000 claims description 6
- 238000004108 freeze drying Methods 0.000 claims description 6
- 238000003756 stirring Methods 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 5
- 230000000704 physical effect Effects 0.000 claims description 5
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 4
- 229910052760 oxygen Inorganic materials 0.000 claims description 4
- 239000001301 oxygen Substances 0.000 claims description 4
- 230000008569 process Effects 0.000 claims description 4
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 claims description 4
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 claims description 3
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 claims description 3
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims description 3
- 229910017604 nitric acid Inorganic materials 0.000 claims description 3
- 239000003365 glass fiber Substances 0.000 claims description 2
- 230000009477 glass transition Effects 0.000 claims description 2
- 230000001590 oxidative effect Effects 0.000 claims description 2
- 239000003610 charcoal Substances 0.000 claims 1
- 238000011049 filling Methods 0.000 claims 1
- 238000007710 freezing Methods 0.000 claims 1
- 230000008014 freezing Effects 0.000 claims 1
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 9
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 6
- 150000001298 alcohols Chemical class 0.000 description 6
- 239000002253 acid Substances 0.000 description 5
- 238000001238 wet grinding Methods 0.000 description 5
- 238000003801 milling Methods 0.000 description 4
- 239000002904 solvent Substances 0.000 description 4
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 3
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 3
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 3
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 3
- 230000002411 adverse Effects 0.000 description 3
- 239000003513 alkali Substances 0.000 description 3
- 238000009835 boiling Methods 0.000 description 3
- ZTQSAGDEMFDKMZ-UHFFFAOYSA-N butyric aldehyde Natural products CCCC=O ZTQSAGDEMFDKMZ-UHFFFAOYSA-N 0.000 description 3
- 125000004432 carbon atom Chemical group C* 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 238000001035 drying Methods 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 229920003002 synthetic resin Polymers 0.000 description 3
- 239000000057 synthetic resin Substances 0.000 description 3
- HGBOYTHUEUWSSQ-UHFFFAOYSA-N valeric aldehyde Natural products CCCCC=O HGBOYTHUEUWSSQ-UHFFFAOYSA-N 0.000 description 3
- ROSDSFDQCJNGOL-UHFFFAOYSA-N Dimethylamine Chemical compound CNC ROSDSFDQCJNGOL-UHFFFAOYSA-N 0.000 description 2
- BAVYZALUXZFZLV-UHFFFAOYSA-N Methylamine Chemical compound NC BAVYZALUXZFZLV-UHFFFAOYSA-N 0.000 description 2
- XBDQKXXYIPTUBI-UHFFFAOYSA-M Propionate Chemical compound CCC([O-])=O XBDQKXXYIPTUBI-UHFFFAOYSA-M 0.000 description 2
- NBBJYMSMWIIQGU-UHFFFAOYSA-N Propionic aldehyde Chemical compound CCC=O NBBJYMSMWIIQGU-UHFFFAOYSA-N 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 2
- 150000007513 acids Chemical class 0.000 description 2
- 238000013019 agitation Methods 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- XBDQKXXYIPTUBI-UHFFFAOYSA-N dimethylselenoniopropionate Natural products CCC(O)=O XBDQKXXYIPTUBI-UHFFFAOYSA-N 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 239000012634 fragment Substances 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- TZIHFWKZFHZASV-UHFFFAOYSA-N methyl formate Chemical compound COC=O TZIHFWKZFHZASV-UHFFFAOYSA-N 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- FDPIMTJIUBPUKL-UHFFFAOYSA-N pentan-3-one Chemical compound CCC(=O)CC FDPIMTJIUBPUKL-UHFFFAOYSA-N 0.000 description 2
- 239000011342 resin composition Substances 0.000 description 2
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 1
- FERIUCNNQQJTOY-UHFFFAOYSA-M Butyrate Chemical compound CCCC([O-])=O FERIUCNNQQJTOY-UHFFFAOYSA-M 0.000 description 1
- 239000005046 Chlorosilane Substances 0.000 description 1
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical class CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 description 1
- AMQJEAYHLZJPGS-UHFFFAOYSA-N N-Pentanol Chemical class CCCCCO AMQJEAYHLZJPGS-UHFFFAOYSA-N 0.000 description 1
- IKHGUXGNUITLKF-XPULMUKRSA-N acetaldehyde Chemical compound [14CH]([14CH3])=O IKHGUXGNUITLKF-XPULMUKRSA-N 0.000 description 1
- KXKVLQRXCPHEJC-UHFFFAOYSA-N acetic acid trimethyl ester Natural products COC(C)=O KXKVLQRXCPHEJC-UHFFFAOYSA-N 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000005054 agglomeration Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 150000001299 aldehydes Chemical class 0.000 description 1
- 239000004760 aramid Substances 0.000 description 1
- 229920003235 aromatic polyamide Polymers 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- KYKAJFCTULSVSH-UHFFFAOYSA-N chloro(fluoro)methane Chemical compound F[C]Cl KYKAJFCTULSVSH-UHFFFAOYSA-N 0.000 description 1
- KOPOQZFJUQMUML-UHFFFAOYSA-N chlorosilane Chemical compound Cl[SiH3] KOPOQZFJUQMUML-UHFFFAOYSA-N 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000004040 coloring Methods 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000009837 dry grinding Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- WBJINCZRORDGAQ-UHFFFAOYSA-N formic acid ethyl ester Natural products CCOC=O WBJINCZRORDGAQ-UHFFFAOYSA-N 0.000 description 1
- 239000002241 glass-ceramic Substances 0.000 description 1
- 239000011213 glass-filled polymer Substances 0.000 description 1
- 239000005337 ground glass Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 150000002576 ketones Chemical class 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- YKYONYBAUNKHLG-UHFFFAOYSA-N n-Propyl acetate Natural products CCCOC(C)=O YKYONYBAUNKHLG-UHFFFAOYSA-N 0.000 description 1
- -1 on the other hand Substances 0.000 description 1
- 238000010979 pH adjustment Methods 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 239000006223 plastic coating Substances 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 229910052573 porcelain Inorganic materials 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- ULWHHBHJGPPBCO-UHFFFAOYSA-N propane-1,1-diol Chemical compound CCC(O)O ULWHHBHJGPPBCO-UHFFFAOYSA-N 0.000 description 1
- 235000019260 propionic acid Nutrition 0.000 description 1
- 229940090181 propyl acetate Drugs 0.000 description 1
- IUVKMZGDUIUOCP-BTNSXGMBSA-N quinbolone Chemical compound O([C@H]1CC[C@H]2[C@H]3[C@@H]([C@]4(C=CC(=O)C=C4CC3)C)CC[C@@]21C)C1=CCCC1 IUVKMZGDUIUOCP-BTNSXGMBSA-N 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 238000009877 rendering Methods 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 150000004756 silanes Chemical class 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000011877 solvent mixture Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- NQPDZGIKBAWPEJ-UHFFFAOYSA-N valeric acid Chemical compound CCCCC(O)=O NQPDZGIKBAWPEJ-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C17/00—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls
- B02C17/18—Details
- B02C17/20—Disintegrating members
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C17/00—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls
- B02C17/16—Mills in which a fixed container houses stirring means tumbling the charge
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/18—Adding fluid, other than for crushing or disintegrating by fluid energy
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B19/00—Other methods of shaping glass
- C03B19/10—Forming beads
- C03B19/1005—Forming solid beads
Landscapes
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Glass Compositions (AREA)
- Dental Preparations (AREA)
- Disintegrating Or Milling (AREA)
- Crushing And Grinding (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE4100604.6 | 1991-01-11 | ||
| DE4100604A DE4100604C1 (enrdf_load_stackoverflow) | 1991-01-11 | 1991-01-11 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH06144873A JPH06144873A (ja) | 1994-05-24 |
| JP2566498B2 true JP2566498B2 (ja) | 1996-12-25 |
Family
ID=6422816
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4020633A Expired - Fee Related JP2566498B2 (ja) | 1991-01-11 | 1992-01-10 | 高純度微細ガラス粉の製法 |
Country Status (6)
| Country | Link |
|---|---|
| JP (1) | JP2566498B2 (enrdf_load_stackoverflow) |
| AU (1) | AU637279B2 (enrdf_load_stackoverflow) |
| DE (1) | DE4100604C1 (enrdf_load_stackoverflow) |
| FR (1) | FR2671493B1 (enrdf_load_stackoverflow) |
| GB (1) | GB2251814B (enrdf_load_stackoverflow) |
| IT (1) | IT1256501B (enrdf_load_stackoverflow) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012224540A (ja) * | 2011-04-21 | 2012-11-15 | Schott Ag | 改善された粒度分布を有するガラス粉末及びその製造方法 |
Families Citing this family (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE1009236A3 (nl) * | 1995-03-17 | 1997-01-07 | B A Emiel Vanderstraeten B V | Werkwijze voor het bereiden van glas en voor het conditioneren van de grondstoffen bestemd voor deze glasbereiding. |
| US6098906A (en) * | 1998-12-04 | 2000-08-08 | Kerr Corporation | Vibratory mill and method of use for low contamination grinding |
| DE10111449A1 (de) | 2001-03-09 | 2002-09-26 | Schott Glas | Verwendung von bioaktivem Glas in Zahnfüllmaterial |
| FI116657B (fi) * | 2002-03-28 | 2006-01-31 | Focus Inhalation Oy | Menetelmä kantoainehiukkasten käsittelemiseksi ja niiden käyttö |
| DE10252693B4 (de) * | 2002-11-13 | 2007-03-29 | Trovotech Gmbh | Verfahren zur Herstellung von plättchenförmigen sowie unregelmäßigen, 3-dimensional oder regelmäßig geformten Glaspartikeln |
| DE102004011218B4 (de) | 2004-03-04 | 2006-01-19 | Schott Ag | Röntgenopakes Glas, Verfahren zu seiner Herstellung und seine Verwendung |
| DE102004022566B4 (de) | 2004-05-07 | 2019-05-09 | Schott Ag | Mit funktionellen Gruppen homogen beschichtete Pulverteilchen, ein Verfahren zu deren Herstellung und ihre Verwendung |
| GB0515088D0 (en) * | 2005-07-22 | 2005-08-31 | Imerys Minerals Ltd | Particulate glass compositions and methods of production |
| DE102009008954B4 (de) | 2009-02-13 | 2010-12-23 | Schott Ag | Röntgenopakes bariumfreies Glas und dessen Verwendung |
| DE102009008951B4 (de) | 2009-02-13 | 2011-01-20 | Schott Ag | Röntgenopakes bariumfreies Glas und dessen Verwendung |
| DE102009008953B4 (de) | 2009-02-13 | 2010-12-30 | Schott Ag | Röntgenopakes bariumfreies Glas und dessen Verwendung |
| DE102010007796B3 (de) | 2010-02-12 | 2011-04-14 | Schott Ag | Röntgenopakes bariumfreies Glas und dessen Verwendung |
| DE102011084501B3 (de) * | 2011-10-14 | 2013-03-21 | Schott Ag | Röntgenopakes bariumfreies Glas und dessen Verwendung |
| DE102012008175A1 (de) | 2012-04-26 | 2013-10-31 | Heraeus Quarzglas Gmbh & Co. Kg | Verfahren zur Herstellung eines SiO2-Granulats |
| JP6665482B2 (ja) * | 2015-10-26 | 2020-03-13 | 日本電気硝子株式会社 | ガラス粉砕装置及びガラス粉末の製造方法 |
| US11136260B2 (en) | 2016-07-29 | 2021-10-05 | Schott Ag | Radiopaque glass and use thereof |
| US10301212B2 (en) | 2016-07-29 | 2019-05-28 | Schott Ag | Radiopaque glass and uses thereof |
| DE102018010246B4 (de) | 2018-02-01 | 2024-05-16 | Schott Ag | Röntgenopakes Glas und dessen Verwendung |
| DE102018102301B4 (de) | 2018-02-01 | 2019-08-14 | Schott Ag | Röntgenopakes Glas und dessen Verwendung |
| WO2023074234A1 (ja) * | 2021-10-28 | 2023-05-04 | 日本電気硝子株式会社 | 球状ガラス粒子の製造方法、バーナー、球状ガラス粒子及び歯科用組成物 |
| JP7723218B2 (ja) * | 2023-08-01 | 2025-08-13 | 三井金属鉱業株式会社 | 酸化物焼結体 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU3533578A (en) * | 1977-04-28 | 1979-10-25 | Colortex Sa | Micro-mill-mixer |
| US4131238A (en) * | 1977-09-15 | 1978-12-26 | Energy And Minerals Research Co. | Ultrasonic grinder |
| US4297266A (en) * | 1980-02-08 | 1981-10-27 | Den-Mat, Inc. | Microfilled dental composite and method using the same |
| US4403742A (en) * | 1980-11-13 | 1983-09-13 | The Dow Chemical Company | Use of rod mill for initial stage of solder glass grinding |
| ATE57111T1 (de) * | 1984-07-26 | 1990-10-15 | Univ Queensland | Zerkleinerung von kohlen, erzen und industriellen mineralien und felsen. |
-
1991
- 1991-01-11 DE DE4100604A patent/DE4100604C1/de not_active Expired - Lifetime
-
1992
- 1992-01-03 IT ITTO920002A patent/IT1256501B/it active IP Right Grant
- 1992-01-03 AU AU10035/92A patent/AU637279B2/en not_active Expired
- 1992-01-06 GB GB9200141A patent/GB2251814B/en not_active Expired - Lifetime
- 1992-01-09 FR FR9200149A patent/FR2671493B1/fr not_active Expired - Lifetime
- 1992-01-10 JP JP4020633A patent/JP2566498B2/ja not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012224540A (ja) * | 2011-04-21 | 2012-11-15 | Schott Ag | 改善された粒度分布を有するガラス粉末及びその製造方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| GB9200141D0 (en) | 1992-02-26 |
| GB2251814A (en) | 1992-07-22 |
| JPH06144873A (ja) | 1994-05-24 |
| ITTO920002A0 (it) | 1992-01-03 |
| ITTO920002A1 (it) | 1993-07-03 |
| DE4100604C1 (enrdf_load_stackoverflow) | 1992-02-27 |
| AU637279B2 (en) | 1993-05-20 |
| GB2251814B (en) | 1994-01-05 |
| AU1003592A (en) | 1992-08-27 |
| IT1256501B (it) | 1995-12-07 |
| FR2671493B1 (fr) | 1995-04-07 |
| FR2671493A1 (fr) | 1992-07-17 |
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