DE1758831A1 - Hartmetallmasse aus Wolframcarbid und Kobalt - Google Patents
Hartmetallmasse aus Wolframcarbid und KobaltInfo
- Publication number
- DE1758831A1 DE1758831A1 DE19681758831 DE1758831A DE1758831A1 DE 1758831 A1 DE1758831 A1 DE 1758831A1 DE 19681758831 DE19681758831 DE 19681758831 DE 1758831 A DE1758831 A DE 1758831A DE 1758831 A1 DE1758831 A1 DE 1758831A1
- Authority
- DE
- Germany
- Prior art keywords
- cobalt
- tungsten
- carbide
- tungsten carbide
- powder
- 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.)
- Pending
Links
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 title claims description 27
- 229910017052 cobalt Inorganic materials 0.000 title claims description 25
- 239000010941 cobalt Substances 0.000 title claims description 25
- UONOETXJSWQNOL-UHFFFAOYSA-N tungsten carbide Chemical compound [W+]#[C-] UONOETXJSWQNOL-UHFFFAOYSA-N 0.000 title claims description 16
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 24
- 229910052721 tungsten Inorganic materials 0.000 claims description 24
- 239000010937 tungsten Substances 0.000 claims description 24
- 239000002253 acid Substances 0.000 claims description 13
- 229910052751 metal Inorganic materials 0.000 claims description 13
- 239000002184 metal Substances 0.000 claims description 13
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 12
- 238000005530 etching Methods 0.000 claims description 3
- 229910000041 hydrogen chloride Inorganic materials 0.000 claims description 2
- IXCSERBJSXMMFS-UHFFFAOYSA-N hydrogen chloride Substances Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 claims description 2
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 150000002739 metals Chemical class 0.000 claims 1
- 239000000843 powder Substances 0.000 description 18
- 229910052799 carbon Inorganic materials 0.000 description 13
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 12
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 10
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 6
- 229910052757 nitrogen Inorganic materials 0.000 description 5
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 4
- 239000001301 oxygen Substances 0.000 description 4
- 229910052760 oxygen Inorganic materials 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 239000011230 binding agent Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 239000012634 fragment Substances 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 239000006104 solid solution Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 229910052684 Cerium Inorganic materials 0.000 description 1
- 229910001060 Gray iron Inorganic materials 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 239000002169 Metam Substances 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- XSTXAVWGXDQKEL-UHFFFAOYSA-N Trichloroethylene Chemical group ClC=C(Cl)Cl XSTXAVWGXDQKEL-UHFFFAOYSA-N 0.000 description 1
- 229910001080 W alloy Inorganic materials 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 150000001721 carbon Chemical group 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- GWXLDORMOJMVQZ-UHFFFAOYSA-N cerium Chemical compound [Ce] GWXLDORMOJMVQZ-UHFFFAOYSA-N 0.000 description 1
- JPNWDVUTVSTKMV-UHFFFAOYSA-N cobalt tungsten Chemical compound [Co].[W] JPNWDVUTVSTKMV-UHFFFAOYSA-N 0.000 description 1
- COLZOALRRSURNK-UHFFFAOYSA-N cobalt;methane;tungsten Chemical compound C.[Co].[W] COLZOALRRSURNK-UHFFFAOYSA-N 0.000 description 1
- 238000004040 coloring Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000001143 conditioned effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- HYVVJDQGXFXBRZ-UHFFFAOYSA-N metam Chemical compound CNC(S)=S HYVVJDQGXFXBRZ-UHFFFAOYSA-N 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C29/00—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides
- C22C29/02—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides based on carbides or carbonitrides
- C22C29/06—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides based on carbides or carbonitrides based on carbides, but not containing other metal compounds
- C22C29/08—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides based on carbides or carbonitrides based on carbides, but not containing other metal compounds based on tungsten carbide
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C29/00—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides
- C22C29/02—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides based on carbides or carbonitrides
- C22C29/06—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides based on carbides or carbonitrides based on carbides, but not containing other metal compounds
- C22C29/067—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides based on carbides or carbonitrides based on carbides, but not containing other metal compounds comprising a particular metallic binder
-
- 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
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S428/00—Stock material or miscellaneous articles
- Y10S428/922—Static electricity metal bleed-off metallic stock
- Y10S428/9265—Special properties
- Y10S428/932—Abrasive or cutting feature
-
- 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
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S75/00—Specialized metallurgical processes, compositions for use therein, consolidated metal powder compositions, and loose metal particulate mixtures
- Y10S75/95—Consolidated metal powder compositions of >95% theoretical density, e.g. wrought
-
- 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
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/12—All metal or with adjacent metals
- Y10T428/12014—All metal or with adjacent metals having metal particles
- Y10T428/1216—Continuous interengaged phases of plural metals, or oriented fiber containing
- Y10T428/12167—Nonmetal containing
-
- 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
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/12—All metal or with adjacent metals
- Y10T428/12014—All metal or with adjacent metals having metal particles
- Y10T428/1216—Continuous interengaged phases of plural metals, or oriented fiber containing
- Y10T428/12174—Mo or W containing
-
- 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
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/12—All metal or with adjacent metals
- Y10T428/12465—All metal or with adjacent metals having magnetic properties, or preformed fiber orientation coordinate with shape
-
- 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
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/26—Web or sheet containing structurally defined element or component, the element or component having a specified physical dimension
- Y10T428/268—Monolayer with structurally defined element
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Powder Metallurgy (AREA)
- Carbon And Carbon Compounds (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US66098667A | 1967-08-16 | 1967-08-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE1758831A1 true DE1758831A1 (de) | 1971-04-15 |
Family
ID=24651724
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19681758831 Pending DE1758831A1 (de) | 1967-08-16 | 1968-08-16 | Hartmetallmasse aus Wolframcarbid und Kobalt |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US3451791A (enExample) |
| JP (1) | JPS4629484B1 (enExample) |
| AT (1) | AT282981B (enExample) |
| BE (1) | BE719542A (enExample) |
| CH (1) | CH522038A (enExample) |
| DE (1) | DE1758831A1 (enExample) |
| LU (1) | LU56719A1 (enExample) |
| SE (1) | SE367655B (enExample) |
Families Citing this family (39)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3647401A (en) * | 1969-06-04 | 1972-03-07 | Du Pont | Anisodimensional tungsten carbide platelets bonded with cobalt |
| US3660050A (en) * | 1969-06-23 | 1972-05-02 | Du Pont | Heterogeneous cobalt-bonded tungsten carbide |
| US5288676A (en) * | 1986-03-28 | 1994-02-22 | Mitsubishi Materials Corporation | Cemented carbide |
| US4859543A (en) * | 1987-04-28 | 1989-08-22 | Kennametal Inc. | Earth working tool having a working element fabricated from cemented tungsten carbide compositions with enhanced properties |
| US4956012A (en) * | 1988-10-03 | 1990-09-11 | Newcomer Products, Inc. | Dispersion alloyed hard metal composites |
| US5069872A (en) * | 1989-09-08 | 1991-12-03 | Penoza Frank J | Cutting tool |
| US5009705A (en) * | 1989-12-28 | 1991-04-23 | Mitsubishi Metal Corporation | Microdrill bit |
| US5024559A (en) * | 1990-02-28 | 1991-06-18 | Westinghouse Electric Corp. | Punch for use in a pellet press |
| US5089447A (en) * | 1990-10-09 | 1992-02-18 | The Dow Chemical Company | High hardness, wear resistant materials |
| WO1993005191A1 (fr) * | 1991-09-02 | 1993-03-18 | Sumitomo Electric Industries, Ltd. | Alliage dur et production de cet alliage |
| US5351588A (en) * | 1992-12-31 | 1994-10-04 | Penoza Frank J | Hand shear |
| US5787773A (en) * | 1992-12-31 | 1998-08-04 | Penoza; Frank J. | Hand shear |
| US5423899A (en) * | 1993-07-16 | 1995-06-13 | Newcomer Products, Inc. | Dispersion alloyed hard metal composites and method for producing same |
| DE4437053A1 (de) * | 1994-10-18 | 1996-02-08 | Widia Gmbh | WC-Hartlegierung, Verfahren zu seiner Herstellung und seiner Verwendung |
| US5762843A (en) * | 1994-12-23 | 1998-06-09 | Kennametal Inc. | Method of making composite cermet articles |
| DE29511247U1 (de) * | 1995-07-12 | 1996-08-14 | EMTEC Magnetics GmbH, 67059 Ludwigshafen | Kobalt-Bindemetall-Legierung für Hartmetall-Legierungen für Hartmetall-Werkzeuge, insbesondere Schneidwerkzeuge, und Hartmetall-Werkzeuge damit |
| EP0966550B1 (de) | 1997-03-10 | 2001-10-04 | Widia GmbH | Hartmetall- oder cermet-sinterkörper und verfahren zu dessen herstellung |
| DE19725914A1 (de) * | 1997-03-10 | 1998-09-17 | Widia Gmbh | Hartmetall- oder Cermet-Sinterkörper und Verfahren zu dessen Herstellung |
| US6908688B1 (en) | 2000-08-04 | 2005-06-21 | Kennametal Inc. | Graded composite hardmetals |
| DE10135790B4 (de) * | 2001-07-23 | 2005-07-14 | Kennametal Inc. | Feinkörniges Sinterhartmetall und seine Verwendung |
| AU2003277912A1 (en) * | 2002-09-27 | 2004-04-23 | Cemecon Ag | Coating method and coated element |
| JP2008001081A (ja) * | 2006-05-22 | 2008-01-10 | Fujifilm Corp | セルロース系樹脂フィルム及びその製造方法 |
| US20100066779A1 (en) | 2006-11-28 | 2010-03-18 | Hanan Gothait | Method and system for nozzle compensation in non-contact material deposition |
| US9381759B2 (en) | 2008-11-30 | 2016-07-05 | Xjet Ltd | Method and system for applying materials on a substrate |
| WO2010134072A1 (en) * | 2009-05-18 | 2010-11-25 | Xjet Ltd. | Method and device for printing on heated substrates |
| US20110209922A1 (en) * | 2009-06-05 | 2011-09-01 | Varel International | Casing end tool |
| US8592711B2 (en) * | 2009-10-01 | 2013-11-26 | George H. Lambert | Apparatus and method of electronically impregnating a wear-resistant cutting edge |
| GB0919857D0 (en) * | 2009-11-13 | 2009-12-30 | Element Six Holding Gmbh | Near-nano cemented carbides and process for production thereof |
| AU2011220498B2 (en) * | 2010-02-25 | 2015-05-28 | Dynalloy Industries | Fluted cutter element and method of application |
| KR101899604B1 (ko) | 2010-05-02 | 2018-09-17 | 엑스제트 엘티디. | 자체-퍼지, 침전물 방지 및 연기 제거 장치를 구비한 프린팅 시스템 |
| WO2012011104A1 (en) | 2010-07-22 | 2012-01-26 | Xjet Ltd. | Printing head nozzle evaluation |
| US9193164B2 (en) | 2010-10-18 | 2015-11-24 | Xjet Ltd. | Inkjet head storage and cleaning |
| GB201105150D0 (en) | 2011-03-28 | 2011-05-11 | Element Six Holding Gmbh | Cemented carbide material and tools comprising same |
| KR102031387B1 (ko) | 2011-10-24 | 2019-10-11 | 다이아몬드 이노베이션즈, 인크. | 복수의 세장형 요소를 이용하여 2 개의 부품을 그들 사이의 축선방향 및 각도방향 정렬을 보장하도록 접합하는 방법 |
| US10913112B2 (en) * | 2013-10-17 | 2021-02-09 | Xiet, Ltd. | Tungsten-Carbide/Cobalt ink composition for 3D inkjet printing |
| US9775296B2 (en) * | 2015-06-04 | 2017-10-03 | Cnh Industrial America Llc | Agricultural concave having a component coated with a high hardness material |
| JP6845715B2 (ja) | 2017-03-13 | 2021-03-24 | 三菱マテリアル株式会社 | 硬質焼結体 |
| DE102019110950A1 (de) | 2019-04-29 | 2020-10-29 | Kennametal Inc. | Hartmetallzusammensetzungen und deren Anwendungen |
| EP4134191A1 (de) * | 2021-08-10 | 2023-02-15 | Lutz Precision, s.r.o. | Schneide zum bearbeiten von punktschweisselektroden, elektrodenfräswerkzeug zum bearbeiten von punktschweisselektroden und elektrodenfräser |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US873745A (en) * | 1907-04-23 | 1907-12-17 | Elwood Haynes | Metal alloy. |
| US1057423A (en) * | 1912-07-20 | 1913-04-01 | Elwood Haynes | Metal alloy. |
| US1338132A (en) * | 1917-10-22 | 1920-04-27 | Sumitomo Chukosho Ltd | Magnet-steel |
| US1951133A (en) * | 1931-09-14 | 1934-03-13 | Bats Jean Hubert Louis De | Compositions of matter and process of preparing same |
| US2011369A (en) * | 1932-06-30 | 1935-08-13 | Vanadium Alloys Steel Co | Composition of matter |
| US1998609A (en) * | 1932-11-26 | 1935-04-23 | Firth Sterling Steel Co | Process of making hard cemented carbide materials |
| US2116399A (en) * | 1935-11-29 | 1938-05-03 | Marth Paul | Process for making shaped bodies from hard substances |
| US2113171A (en) * | 1936-04-08 | 1938-04-05 | Cooper Products Inc | Carbide material |
| US2122403A (en) * | 1937-06-14 | 1938-07-05 | Fansteel Metallurgical Corp | Hard alloy |
| US2731711A (en) * | 1954-05-13 | 1956-01-24 | Gen Electric | Sintered tungsten carbide composition |
| DE1221804B (de) * | 1964-05-14 | 1966-07-28 | Deutsche Edelstahlwerke Ag | Verfahren zur Herstellung stahlgebundener Karbidhartlegierungen mit genau voraus-bestimmbarem Kohlenstoffgehalt der Grundlegierung |
-
1967
- 1967-08-16 US US660986A patent/US3451791A/en not_active Expired - Lifetime
-
1968
- 1968-06-25 SE SE08556/68A patent/SE367655B/xx unknown
- 1968-08-14 LU LU56719D patent/LU56719A1/xx unknown
- 1968-08-15 JP JP5770368A patent/JPS4629484B1/ja active Pending
- 1968-08-15 CH CH1228068A patent/CH522038A/de not_active IP Right Cessation
- 1968-08-16 BE BE719542D patent/BE719542A/xx unknown
- 1968-08-16 DE DE19681758831 patent/DE1758831A1/de active Pending
- 1968-08-16 AT AT802368A patent/AT282981B/de active
Also Published As
| Publication number | Publication date |
|---|---|
| AT282981B (de) | 1970-07-27 |
| JPS4629484B1 (enExample) | 1971-08-27 |
| US3451791A (en) | 1969-06-24 |
| CH522038A (de) | 1972-04-30 |
| BE719542A (enExample) | 1969-02-03 |
| LU56719A1 (enExample) | 1968-11-21 |
| SE367655B (enExample) | 1974-06-04 |
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