JP2005536641A - 金属マトリックス複合体およびその製造方法 - Google Patents
金属マトリックス複合体およびその製造方法 Download PDFInfo
- Publication number
- JP2005536641A JP2005536641A JP2004530815A JP2004530815A JP2005536641A JP 2005536641 A JP2005536641 A JP 2005536641A JP 2004530815 A JP2004530815 A JP 2004530815A JP 2004530815 A JP2004530815 A JP 2004530815A JP 2005536641 A JP2005536641 A JP 2005536641A
- Authority
- JP
- Japan
- Prior art keywords
- metal
- matrix composite
- aluminum alloy
- composite article
- metal matrix
- 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.)
- Withdrawn
Links
- 239000011156 metal matrix composite Substances 0.000 title claims abstract description 244
- 238000004519 manufacturing process Methods 0.000 title claims description 22
- 229910052751 metal Inorganic materials 0.000 claims abstract description 282
- 239000002184 metal Substances 0.000 claims abstract description 282
- 238000000034 method Methods 0.000 claims abstract description 86
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 7
- 239000000835 fiber Substances 0.000 claims description 292
- 239000000919 ceramic Substances 0.000 claims description 186
- 229910000838 Al alloy Inorganic materials 0.000 claims description 157
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 119
- 229910052782 aluminium Inorganic materials 0.000 claims description 117
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 64
- 229910045601 alloy Inorganic materials 0.000 claims description 59
- 239000000956 alloy Substances 0.000 claims description 59
- 239000011159 matrix material Substances 0.000 claims description 58
- 239000002131 composite material Substances 0.000 claims description 42
- 238000007254 oxidation reaction Methods 0.000 claims description 34
- 230000003647 oxidation Effects 0.000 claims description 32
- 229910052709 silver Inorganic materials 0.000 claims description 19
- 150000002739 metals Chemical class 0.000 claims description 18
- 229910018072 Al 2 O 3 Inorganic materials 0.000 claims description 14
- 229910004298 SiO 2 Inorganic materials 0.000 claims description 13
- 239000004332 silver Substances 0.000 claims description 12
- 238000002844 melting Methods 0.000 claims description 10
- 230000008018 melting Effects 0.000 claims description 10
- 239000002245 particle Substances 0.000 claims description 10
- 229910052802 copper Inorganic materials 0.000 claims description 9
- 238000013461 design Methods 0.000 claims description 9
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 9
- 229910052737 gold Inorganic materials 0.000 claims description 9
- 239000010931 gold Substances 0.000 claims description 9
- 229910052759 nickel Inorganic materials 0.000 claims description 9
- 238000001816 cooling Methods 0.000 claims description 7
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 6
- 239000001301 oxygen Substances 0.000 claims description 6
- 229910052760 oxygen Inorganic materials 0.000 claims description 6
- 239000012535 impurity Substances 0.000 claims description 4
- -1 based on weight Inorganic materials 0.000 claims 7
- 230000000052 comparative effect Effects 0.000 description 59
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 37
- 238000012360 testing method Methods 0.000 description 28
- 238000001125 extrusion Methods 0.000 description 23
- 239000000463 material Substances 0.000 description 23
- 238000000576 coating method Methods 0.000 description 20
- 238000005498 polishing Methods 0.000 description 19
- 238000005266 casting Methods 0.000 description 18
- 239000011248 coating agent Substances 0.000 description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 17
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 13
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 12
- 229910003460 diamond Inorganic materials 0.000 description 12
- 239000010432 diamond Substances 0.000 description 12
- 229910002804 graphite Inorganic materials 0.000 description 12
- 239000010439 graphite Substances 0.000 description 12
- 229910000323 aluminium silicate Inorganic materials 0.000 description 11
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 11
- 238000004513 sizing Methods 0.000 description 11
- 229910001018 Cast iron Inorganic materials 0.000 description 10
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 9
- 238000004458 analytical method Methods 0.000 description 8
- 230000006835 compression Effects 0.000 description 8
- 238000007906 compression Methods 0.000 description 8
- 239000010949 copper Substances 0.000 description 8
- 238000006073 displacement reaction Methods 0.000 description 7
- 229910052786 argon Inorganic materials 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 6
- 238000001513 hot isostatic pressing Methods 0.000 description 6
- 230000002787 reinforcement Effects 0.000 description 6
- 239000010935 stainless steel Substances 0.000 description 6
- 229910001220 stainless steel Inorganic materials 0.000 description 6
- 229910052582 BN Inorganic materials 0.000 description 5
- PZNSFCLAULLKQX-UHFFFAOYSA-N Boron nitride Chemical compound N#B PZNSFCLAULLKQX-UHFFFAOYSA-N 0.000 description 5
- 238000000227 grinding Methods 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 5
- 238000003754 machining Methods 0.000 description 5
- 238000012545 processing Methods 0.000 description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 4
- 229910000881 Cu alloy Inorganic materials 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 4
- 238000004364 calculation method Methods 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 4
- 239000000314 lubricant Substances 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 238000000879 optical micrograph Methods 0.000 description 4
- 229910010271 silicon carbide Inorganic materials 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 238000005452 bending Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 229910010293 ceramic material Inorganic materials 0.000 description 3
- 238000000280 densification Methods 0.000 description 3
- 238000000151 deposition Methods 0.000 description 3
- 239000004744 fabric Substances 0.000 description 3
- 230000002829 reductive effect Effects 0.000 description 3
- 239000012779 reinforcing material Substances 0.000 description 3
- 238000005488 sandblasting Methods 0.000 description 3
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 3
- 239000007921 spray Substances 0.000 description 3
- 238000009716 squeeze casting Methods 0.000 description 3
- 239000000725 suspension Substances 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 238000004804 winding Methods 0.000 description 3
- 239000004372 Polyvinyl alcohol Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 239000008367 deionised water Substances 0.000 description 2
- 229910021641 deionized water Inorganic materials 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009713 electroplating Methods 0.000 description 2
- 238000009778 extrusion testing Methods 0.000 description 2
- 238000007667 floating Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 238000007747 plating Methods 0.000 description 2
- 229920002451 polyvinyl alcohol Polymers 0.000 description 2
- AZUYLZMQTIKGSC-UHFFFAOYSA-N 1-[6-[4-(5-chloro-6-methyl-1H-indazol-4-yl)-5-methyl-3-(1-methylindazol-5-yl)pyrazol-1-yl]-2-azaspiro[3.3]heptan-2-yl]prop-2-en-1-one Chemical compound ClC=1C(=C2C=NNC2=CC=1C)C=1C(=NN(C=1C)C1CC2(CN(C2)C(C=C)=O)C1)C=1C=C2C=NN(C2=CC=1)C AZUYLZMQTIKGSC-UHFFFAOYSA-N 0.000 description 1
- 229910001094 6061 aluminium alloy Inorganic materials 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 239000000443 aerosol Substances 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000008119 colloidal silica Substances 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 239000004922 lacquer Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 238000010327 methods by industry Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000006082 mold release agent Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000012188 paraffin wax Substances 0.000 description 1
- 230000036961 partial effect Effects 0.000 description 1
- 239000011253 protective coating Substances 0.000 description 1
- 239000011226 reinforced ceramic Substances 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000001993 wax Substances 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
- 210000000707 wrist Anatomy 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/10—Alloys containing non-metals
- C22C1/1005—Pretreatment of the non-metallic additives
- C22C1/1015—Pretreatment of the non-metallic additives by preparing or treating a non-metallic additive preform
- C22C1/1021—Pretreatment of the non-metallic additives by preparing or treating a non-metallic additive preform the preform being ceramic
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D19/00—Casting in, on, or around objects which form part of the product
- B22D19/14—Casting in, on, or around objects which form part of the product the objects being filamentary or particulate in form
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C47/00—Making alloys containing metallic or non-metallic fibres or filaments
- C22C47/02—Pretreatment of the fibres or filaments
- C22C47/06—Pretreatment of the fibres or filaments by forming the fibres or filaments into a preformed structure, e.g. using a temporary binder to form a mat-like element
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C47/00—Making alloys containing metallic or non-metallic fibres or filaments
- C22C47/02—Pretreatment of the fibres or filaments
- C22C47/06—Pretreatment of the fibres or filaments by forming the fibres or filaments into a preformed structure, e.g. using a temporary binder to form a mat-like element
- C22C47/062—Pretreatment of the fibres or filaments by forming the fibres or filaments into a preformed structure, e.g. using a temporary binder to form a mat-like element from wires or filaments only
- C22C47/068—Aligning wires
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C47/00—Making alloys containing metallic or non-metallic fibres or filaments
- C22C47/08—Making alloys containing metallic or non-metallic fibres or filaments by contacting the fibres or filaments with molten metal, e.g. by infiltrating the fibres or filaments placed in a mould
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C49/00—Alloys containing metallic or non-metallic fibres or filaments
- C22C49/02—Alloys containing metallic or non-metallic fibres or filaments characterised by the matrix material
- C22C49/04—Light metals
- C22C49/06—Aluminium
-
- 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
- B22F2999/00—Aspects linked to processes or compositions used in powder metallurgy
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Crystallography & Structural Chemistry (AREA)
- Ceramic Engineering (AREA)
- Manufacture Of Alloys Or Alloy Compounds (AREA)
- Braking Arrangements (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US40467202P | 2002-08-20 | 2002-08-20 | |
US40367103A | 2003-03-31 | 2003-03-31 | |
PCT/US2003/021261 WO2004018718A1 (en) | 2002-08-20 | 2003-07-08 | Metal matrix composites, and methods for making the same |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005536641A true JP2005536641A (ja) | 2005-12-02 |
JP2005536641A5 JP2005536641A5 (enrdf_load_stackoverflow) | 2006-07-13 |
Family
ID=31949853
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004530815A Withdrawn JP2005536641A (ja) | 2002-08-20 | 2003-07-08 | 金属マトリックス複合体およびその製造方法 |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP1570095A1 (enrdf_load_stackoverflow) |
JP (1) | JP2005536641A (enrdf_load_stackoverflow) |
KR (1) | KR20050058350A (enrdf_load_stackoverflow) |
CN (1) | CN1675388A (enrdf_load_stackoverflow) |
AU (1) | AU2003251789A1 (enrdf_load_stackoverflow) |
WO (1) | WO2004018718A1 (enrdf_load_stackoverflow) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106987787A (zh) * | 2017-02-24 | 2017-07-28 | 昆明理工大学 | 高孔隙率铝合金/铝芯氧化铝纤维复合泡沫的制备方法 |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20060024490A1 (en) * | 2004-07-29 | 2006-02-02 | 3M Innovative Properties Company | Metal matrix composites, and methods for making the same |
US20060021729A1 (en) * | 2004-07-29 | 2006-02-02 | 3M Innovative Properties Company | Metal matrix composites, and methods for making the same |
US20060024489A1 (en) * | 2004-07-29 | 2006-02-02 | 3M Innovative Properties Company | Metal matrix composites, and methods for making the same |
DE102006051200A1 (de) | 2006-10-30 | 2008-05-08 | Robert Bosch Gmbh | Verfahren zur Herstellung eines Körpers aus Metall-Keramik-Verbundwerkstoffen |
DE102008002538B4 (de) | 2008-05-30 | 2020-10-15 | Robert Bosch Gmbh | Bremssattel aus mindestens 2 Komponenten |
US20090309262A1 (en) | 2008-06-17 | 2009-12-17 | Century, Inc. | Manufacturing apparatus and method for producing a preform |
US9283734B2 (en) | 2010-05-28 | 2016-03-15 | Gunite Corporation | Manufacturing apparatus and method of forming a preform |
DE102012012675A1 (de) | 2012-06-23 | 2013-12-24 | Daimler Ag | Hochleistungs-Bremssattel und Verfahren zur Herstellung |
FR3009832B1 (fr) * | 2013-08-21 | 2015-08-28 | Snecma | Insert de renfort composite et procede de fabrication |
CN104232973A (zh) * | 2014-08-25 | 2014-12-24 | 合肥工业大学 | 一种中、低体积分数陶瓷颗粒增强铝基复合材料及其制备方法 |
CN109799205B (zh) * | 2019-02-20 | 2021-11-09 | 电子科技大学 | 一种平面薄膜结构的红外分子指纹传感器及其制备方法 |
KR102283437B1 (ko) * | 2019-05-23 | 2021-07-29 | 주식회사 우신산업 | 이중재질 캘리퍼 제조방법 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT1228449B (it) * | 1989-02-22 | 1991-06-19 | Temav Spa | Procedimento per ottenere un legame metallurgico tra un materiale metallico o composito a matrice metallica e un getto di metallo o di lega metallica. |
FR2663250A1 (fr) * | 1990-06-19 | 1991-12-20 | Peugeot | Procede de fabrication de pieces en alliage d'aluminium coule comportant un insert et culasse de moteur a combustion interne obtenue par ce procede. |
FR2665383A1 (fr) * | 1990-07-31 | 1992-02-07 | Pechiney Recherche | Procede d'obtention par moulage de pieces bimateriaux. |
CH682307A5 (enrdf_load_stackoverflow) * | 1991-02-05 | 1993-08-31 | Alusuisse Lonza Services Ag | |
US6484790B1 (en) * | 1999-08-31 | 2002-11-26 | Cummins Inc. | Metallurgical bonding of coated inserts within metal castings |
-
2003
- 2003-07-08 EP EP03792957A patent/EP1570095A1/en not_active Withdrawn
- 2003-07-08 CN CNA038197588A patent/CN1675388A/zh active Pending
- 2003-07-08 WO PCT/US2003/021261 patent/WO2004018718A1/en not_active Application Discontinuation
- 2003-07-08 JP JP2004530815A patent/JP2005536641A/ja not_active Withdrawn
- 2003-07-08 KR KR1020057002752A patent/KR20050058350A/ko not_active Withdrawn
- 2003-07-08 AU AU2003251789A patent/AU2003251789A1/en not_active Abandoned
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106987787A (zh) * | 2017-02-24 | 2017-07-28 | 昆明理工大学 | 高孔隙率铝合金/铝芯氧化铝纤维复合泡沫的制备方法 |
Also Published As
Publication number | Publication date |
---|---|
KR20050058350A (ko) | 2005-06-16 |
AU2003251789A1 (en) | 2004-03-11 |
CN1675388A (zh) | 2005-09-28 |
WO2004018718A1 (en) | 2004-03-04 |
EP1570095A1 (en) | 2005-09-07 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US20060024490A1 (en) | Metal matrix composites, and methods for making the same | |
US20060021729A1 (en) | Metal matrix composites, and methods for making the same | |
US20020088599A1 (en) | Ceramic oxide pre-forms, metal matrix composites, and methods for making the same | |
US20040035547A1 (en) | Metal matrix composites, and methods for making the same | |
JP2005536641A (ja) | 金属マトリックス複合体およびその製造方法 | |
US20060024489A1 (en) | Metal matrix composites, and methods for making the same | |
KR100770811B1 (ko) | 금속 매트릭스 복합물의 제조 방법 | |
CA2413191C (en) | Metal matrix composite wires, cables, and method | |
JP2007514867A (ja) | ネジ山を有する金属マトリックス複合物品 | |
EP1059133A1 (en) | Preform for metal matrix composite material and cylinder block made of the same | |
US20020086165A1 (en) | Metal matrix composites and methods for making the same | |
CN108348970B (zh) | 耐磨工具 | |
US20020079604A1 (en) | Ceramic oxide pre-forms, metal matrix composites, and methods for making the same | |
JPS62205203A (ja) | 超微細金属短繊維の製造法 | |
JP2005536355A (ja) | 金属複合材料およびその製造方法 | |
WO2004061139A2 (en) | Machineable metal-matrix composite and method for making the same | |
Karthigeyan et al. | Influence of Single and Double Stage Forging on Cutting Forces of Al 7075/BSF Metal Matrix Composites |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20060529 |
|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20060529 |
|
A761 | Written withdrawal of application |
Free format text: JAPANESE INTERMEDIATE CODE: A761 Effective date: 20070129 |