CN110976890A - Double-roller electric rolling crusher - Google Patents
Double-roller electric rolling crusher Download PDFInfo
- Publication number
- CN110976890A CN110976890A CN201911416629.3A CN201911416629A CN110976890A CN 110976890 A CN110976890 A CN 110976890A CN 201911416629 A CN201911416629 A CN 201911416629A CN 110976890 A CN110976890 A CN 110976890A
- Authority
- CN
- China
- Prior art keywords
- roller
- rolling
- disc
- scraper
- driving
- 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
Images
Classifications
-
- 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
- B22F9/00—Making metallic powder or suspensions thereof
- B22F9/02—Making metallic powder or suspensions thereof using physical processes
- B22F9/04—Making metallic powder or suspensions thereof using physical processes starting from solid material, e.g. by crushing, grinding or milling
-
- 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
- B22F9/00—Making metallic powder or suspensions thereof
- B22F9/02—Making metallic powder or suspensions thereof using physical processes
- B22F9/04—Making metallic powder or suspensions thereof using physical processes starting from solid material, e.g. by crushing, grinding or milling
- B22F2009/041—Making metallic powder or suspensions thereof using physical processes starting from solid material, e.g. by crushing, grinding or milling by mechanical alloying, e.g. blending, milling
Landscapes
- Crushing And Grinding (AREA)
Abstract
The invention discloses a double-roller electric rolling crusher, which comprises a frame, wherein a rolling disc is arranged at the top of the frame, a rolling roller combination and a driving disc are arranged on the rolling disc, the driving disc is connected with the rolling roller combination, a driving mechanism for driving the driving disc is arranged in the frame, and an electric cabinet electrically connected with the driving mechanism is arranged outside the frame; the driving disc is also connected with a scraping plate mechanism matched with the grinding disc. The two rolling roller combinations are arranged at the same time, the axes of the two rolling rollers are overlapped, and the rolling rollers and the first scraper arm and the second scraper arm form cross distribution, so that materials on a rolling disc can be fully rolled, and the rolling efficiency is improved; the structure is compact, and the space is saved; the method is suitable for high crushing efficiency of refractory metal powder, cannot introduce out-of-phase impurities, and the crushed refractory powder has high quality, can realize secondary recycling, and improves the yield of products.
Description
Technical Field
The invention belongs to the technical field of refractory metal powder crushing devices, and relates to a double-roller electric rolling crusher.
Background
In the production stage of reduction and forming of refractory metal powder such as tungsten and molybdenum, part of oversize materials and fragments of pressed compact are generated, and the part of powder forms block-shaped blank due to agglomeration and physical pressure, so that the block-shaped blank cannot be formed again and needs to be crushed. The conventional crusher mainly comprises a jaw crusher, a counterattack crusher, a centrifugal impact crusher, a gyratory crusher and the like, and can only be applied to products such as ore, cement, ceramic and the like with the compressive strength not more than 300 MPa. The crusher of the above type can generate a large amount of powder flying in the process of crushing the powder, so that the environment pollution is caused, and the environment-friendly requirement of the refractory metal powder metallurgy industry is not met; in addition, since the hardness of the refractory metal powder is greater than that of steel and the particle size is below 100um, the conventional crushing device has a poor crushing effect and is prone to carry out heterogeneous impurities.
Disclosure of Invention
The invention aims to provide a double-roller electric rolling crusher, which solves the problem of low crushing efficiency in the prior art.
The technical scheme adopted by the invention is that the double-roller electric rolling crusher comprises a frame, wherein a rolling disc is arranged at the top of the frame, a rolling roller combination and a driving disc are arranged on the rolling disc, the driving disc is connected with the rolling roller combination, a driving mechanism for driving the driving disc is arranged in the frame, and an electric cabinet electrically connected with the driving mechanism is arranged outside the frame; the driving disc is also connected with a scraping plate mechanism matched with the grinding disc.
The invention is also characterized in that:
the two sides of the driving disc are respectively connected with a rolling roller combination.
Every rolling roller combination is including rolling the roller, and rolling roller, swing arm have been cup jointed in the activity respectively to rolling roller both ends, and swing arm axle has still been cup jointed in the swing arm, and the swing arm axle is parallel with rolling the roller, and the swing arm axle is connected with the driving-disc.
The rolling roller is movably connected with the rolling roller shaft through a first bearing, and the swing arm is movably connected with the swing arm shaft through a second bearing.
The driving mechanism comprises a motor, the motor is connected with a transmission shaft through a coupler, and the transmission shaft penetrates through the grinding disc to be connected with the driving disc.
The outer wall of the transmission shaft is sleeved with a transmission shaft bearing seat, a third bearing is arranged between the transmission shaft bearing seat and the transmission shaft, and the third bearing is connected with a third bearing transparent cover.
The transmission shaft bearing seat penetrates through the rolling disc and the driving disc and is fixed with the rolling disc.
The scraping plate mechanism comprises a first scraping plate arm and a second scraping plate arm, and the first scraping plate arm, the second scraping plate arm and the two swing arms are distributed around the driving disc in a cross manner; one end of the first scraper arm and one end of the second scraper arm are respectively connected to the driving disc, the other end of the first scraper arm is connected with a first scraper, and the moving area of the first scraper is the outer edge of the rolling disc; the other end of the second scraper arm is connected with a second scraper, and the movable area of the second scraper is the inside of the rolling disc.
A material blocking ring is arranged along the circumference of the rolling disc, and a molybdenum lining plate is lined on the inner side of the material blocking ring.
The rolling disc bottom is provided with the tray, and the transmission shaft bearing frame passes tray, rolling disc, driving-disc in proper order to fix in the tray bottom, the tray bottom still is fixed with the speed reducer mounting bracket, and the transmission shaft is located inside the speed reducer mounting bracket, and the speed reducer mounting bracket is connected with the motor.
The invention has the beneficial effects that:
according to the double-roller electric rolling crusher, the two rolling roller combinations are arranged at the same time, the axes of the two rolling rollers are superposed and form cross distribution with the first scraper arm and the second scraper arm, materials on a rolling disc can be fully rolled, and the rolling efficiency is improved; the structure is compact, and the space is saved; the method is suitable for high crushing efficiency of refractory metal powder, cannot introduce out-of-phase impurities, and has high quality of the crushed refractory powder, secondary recycling can be realized, and the yield of products is improved; the part contacted with the powder is formed by rolling and forging the molybdenum product, has high density and high strength, and is suitable for crushing the tungsten-molybdenum powder. The structural design of this breaker can realize that the internal powder of storehouse is automatic to be turned over and is stirred, and equipment operation factor of safety is high and the powder is broken evenly tiny. The equipment is stably operated through frequency conversion, the powder flying phenomenon cannot be generated, and the environmental protection requirement is met.
Drawings
FIG. 1 is a schematic diagram of a twin-roll electric roller crusher according to the present invention;
FIG. 2 is a top view of a twin roller electric roller compaction crusher of the present invention;
FIG. 3 is a schematic diagram of a rolling roller assembly in a two-roller electric rolling crusher according to the present invention;
fig. 4 is a schematic diagram of the drive mechanism in a twin roll electric roller crusher of the present invention.
In the figure: 1. the grinding roller assembly comprises a frame, 2, a grinding roller plate, 3, a grinding roller combination, 301, a grinding roller shaft, 302, a grinding roller, 303, a swing arm, 304, a swing arm shaft, 305, a first bearing, 306, a first bearing through cover, 307, a first bearing end cover, 308, a first round nut, 309, a second bearing, 310, a second bearing end cover, 311, a second bearing through cover, 312, a second round nut, 4, a driving disc, 5, a driving mechanism, 501, a motor, 502, a coupler, 503, a transmission shaft, 504, a transmission shaft bearing seat, 505, a third bearing, 506, a third bearing through cover, 6, a first scraper arm, 7, a first scraper, 8, a second scraper arm, 9, a second scraper, 10, a ring, 11, a molybdenum lining plate, 12, a tray, 13, an electric cabinet, 14, a speed reducer mounting rack, 15, a pressure pad and 16 bolts.
Detailed Description
The present invention will be described in detail with reference to the following embodiments.
The invention discloses a double-roller electric rolling crusher, which comprises a frame 1, wherein the top of the frame 1 is provided with a rolling disc 2, the rolling disc 2 is provided with a rolling roller combination 3 and a driving disc 4, two sides of the driving disc 4 are respectively connected with the rolling roller combination 3 in a transmission manner, a driving mechanism 5 for driving the driving disc 4 is arranged in the frame 1, and the outer side of the frame 1 is provided with an electric cabinet 13 electrically connected with the driving mechanism 5.
As shown in fig. 3, each rolling roller assembly 3 includes a rolling roller shaft 301, two ends of the rolling roller shaft 301 are respectively movably sleeved with a rolling roller 302 and a swing arm 303, the axes of the two rolling rollers are overlapped, one end of the rolling roller shaft 301 close to the driving disc 4 axially positions the swing arm 303 through a first round nut 308, and a shoulder is arranged at the joint of the rolling roller shaft 301 and the other end of the swing arm 303 to axially position the swing arm 303; a swing arm shaft 304 is also movably sleeved in the swing arm 303, the swing arm shaft 304 is parallel to the rolling roller shaft 301, and the swing arm shaft 304 penetrates through the driving disc 4 and is axially positioned through a second round nut 312.
The rolling roller 302 is movably connected with the rolling roller shaft 301 through a first bearing 305, and the swing arm 303 is movably connected with the swing arm shaft 304 through a second bearing 309.
Further, the inner sides of both ends of the rolling roller 302 are respectively provided with a first bearing 305, the two first bearings 305 are sleeved on the outer wall of the rolling roller shaft 301, the first bearing 305 near one end of the swing arm 303 is connected with a first bearing through cover 306, and the other first bearing 305 is connected with a first bearing end cover 307; the inner sides of two ends of the swing arm 303 are respectively provided with a second bearing 309, two second bearing end covers 310 are sleeved on the swing arm shaft 304, the second bearing 309 close to the rolling roller 302 is connected with the second bearing end cover 310, and the other second bearing 309 is connected with a second bearing through cover 311.
As shown in fig. 4, the driving mechanism 5 includes a motor 501, the motor 501 is connected with a transmission shaft 503 through a coupling 502, the transmission shaft 503 passes through the rolling disc 2 and is connected with the driving disc 4, the top of the transmission shaft 503 is connected with the driving disc 4 through a key, and the transmission shaft 503 and the driving disc 4 are axially positioned through a pressure pad 15 and a bolt 16. A frequency converter is arranged in the electric cabinet 13 and electrically connected with the motor 501.
A transmission shaft bearing seat 504 is sleeved on the outer wall of the transmission shaft 503, and the transmission shaft bearing seat 504 is movably connected with the transmission shaft 503 through a third bearing 505; further, the inner sides of the two ends of the transmission shaft bearing seat 504 are respectively provided with a third bearing 505, the two third bearings 505 are sleeved on the transmission shaft 503, and each third bearing 505 is connected with a third bearing transparent cover 506.
The bottom of the grinding disc 2 is provided with a tray 12, a transmission shaft bearing seat 504 sequentially penetrates through the tray 12, the grinding disc 2 and the driving disc 4 and is fixed to the bottom of the tray 12, a speed reducer mounting frame 14 is further fixed to the bottom of the tray 12, a transmission shaft 503 is located inside the speed reducer mounting frame 14, and the speed reducer mounting frame 14 is connected with a motor 501.
The driving disc 4 is also connected with a scraper mechanism. The scraping mechanism comprises a first scraping arm 6 and a second scraping arm 8, and the first scraping arm 6, the second scraping arm 8 and the two rolling rollers 302 are distributed around the driving disc 4 in a cross shape; one ends of a first scraper arm 6 and a second scraper arm 8 are respectively connected to the driving disc 4, the other end of the first scraper arm 6 is connected with a first scraper 7, and the movable area of the first scraper 7 is the outer edge of the rolling disc 2; the second scrapes 8 other ends of scraper arm and is connected with second scraper blade 9, and the active area of second scraper blade 9 is for rolling inside the dish 2, and the active area sum between them is for rolling dish 2, and first scraper blade 7 and second scraper blade 9 will spread to the leading-in work surface of revolution that rolls roller 302 of the material that rolls dish 2 outer lane and inner circle, turn up the compacted material simultaneously, ensure to carry out abundant rolling to the material.
A material blocking ring 10 is arranged along the circumference of the rolling disc 2, and a molybdenum lining plate 11 is lined on the inner side of the material blocking ring 10. The outer edge of the first scraper 7 is in contact with the inner wall of the material blocking ring 10.
Preferably, the rolling disc 2, the rolling roller 302, the scraper mechanism and the material stop ring 10 are made of molybdenum, so as to avoid bringing elements such as Fe and Ni into the powder in the process of crushing the molybdenum block.
The working process of the double-roller electric rolling crusher is as follows:
electrifying the electric cabinet 13, rotating the motor 501 to drive the transmission shaft 503 to rotate to drive the driving disc 42 to rotate, sequentially driving the swing arm 303 and the rolling roller 302 to rotate around the rolling disc 2 by the driving disc 42, and rolling the material by the rolling roller 302; in the rolling process, the first scraper 7 and the second scraper 9 spread the materials to the outer ring and the inner ring of the rolling disc 2 and guide the materials into the working revolution surface of the rolling roller 302, and simultaneously, the compacted materials are turned up, so that the materials can be sufficiently rolled.
Through the mode, the double-roller electric rolling crusher is provided with the two rolling roller combinations simultaneously, the axes of the two rolling rollers are overlapped, and the rolling rollers and the first scraper arm and the second scraper arm form cross distribution, so that materials on a rolling disc can be fully rolled, and the rolling efficiency is improved; the structure is compact, and the space is saved; the method is suitable for high crushing efficiency of refractory metal powder, cannot introduce out-of-phase impurities, and has high quality of the crushed refractory powder, secondary recycling can be realized, and the yield of products is improved; the part contacted with the powder is formed by rolling and forging the molybdenum product, has high density and high strength, and is suitable for crushing the tungsten-molybdenum powder. The structural design of this breaker can realize that the internal powder of storehouse is automatic to be turned over and is stirred, and equipment operation factor of safety is high and the powder is broken evenly tiny. The equipment is stably operated through frequency conversion, the powder flying phenomenon cannot be generated, and the environmental protection requirement is met.
Claims (10)
1. A double-roller electric rolling crusher is characterized by comprising a frame (1), wherein a rolling disc (2) is arranged at the top of the frame (1), a rolling roller combination (3) and a driving disc (4) are arranged on the rolling disc (2), the driving disc (4) is connected with the rolling roller combination (3), a driving mechanism (5) for driving the driving disc (4) is arranged in the frame (1), and an electric cabinet (13) electrically connected with the driving mechanism (5) is arranged on the outer side of the frame (1); the driving disc (4) is also connected with a scraping plate mechanism matched with the grinding disc (2).
2. A twin roll electric roller compaction crusher as claimed in claim 1 wherein the drive discs (4) are connected to roller assemblies (3) on either side.
3. A twin-roll electric roller compaction crusher according to claim 1 or 2, wherein each roller compaction roller combination (3) comprises a roller compaction roller (301), the two ends of the roller compaction roller (301) are respectively and movably sleeved with a roller compaction roller (302) and a swing arm (303), the swing arm (303) is also internally and movably sleeved with a swing arm shaft (304), the swing arm shaft (304) is parallel to the roller compaction roller (301), and the swing arm shaft (304) is connected with a driving disc (4).
4. A twin roller electric roller compaction crusher as claimed in claim 3 wherein the roller compaction roller (302) is moveably connected to the roller compaction roller shaft (301) by a first bearing (305) and the swing arm (303) is moveably connected to the swing arm shaft (304) by a second bearing (309).
5. A twin roller electric roller crusher as claimed in claim 1, characterised in that the drive mechanism (5) comprises a motor (501), the motor (501) being connected to a drive shaft (503) by a coupling (502), the drive shaft (503) passing through the roller plate (2) and being connected to the drive plate (4).
6. A twin-roll electric roller compaction crusher as claimed in claim 5 wherein the drive shaft (503) is sleeved with a drive shaft bearing seat (504) on the outer wall, a third bearing (505) is arranged between the drive shaft bearing seat (504) and the drive shaft (503), and a third bearing transparent cover (506) is connected to the third bearing (505).
7. A twin roll electric roller compaction crusher according to claim 6 wherein the drive shaft bearing block (504) passes through the compaction plate (2), the drive disc (4) and is fixed to the compaction plate (2).
8. A twin-roll electric roller compaction crusher according to claim 3 where the scraper mechanism comprises a first scraper arm (6), a second scraper arm (8), the first scraper arm (6), the second scraper arm (8) and two swing arms (303) are distributed in a cross around the drive disc (4); one ends of the first scraper arm (6) and the second scraper arm (8) are respectively connected to the driving disc (4), the other end of the first scraper arm (6) is connected with a first scraper (7), and the movable area of the first scraper (7) is the outer edge of the rolling disc (2); the other end of the second scraper arm (8) is connected with a second scraper (9), and the moving area of the second scraper (9) is the inside of the rolling disc (2).
9. A twin roll electric roller compaction crusher according to claim 3 where a dam ring (10) is provided along the circumference of the roller compaction plate (2), the dam ring (10) being lined on the inside with molybdenum lining plates (11).
10. A double-roller electric rolling crusher according to claim 6, characterized in that a tray (12) is arranged at the bottom of the rolling disc (2), the transmission shaft bearing seat (504) sequentially penetrates through the tray (12), the rolling disc (2) and the driving disc (4) and is fixed at the bottom of the tray (12), a reducer mounting frame (14) is further fixed at the bottom of the tray (12), the transmission shaft (503) is located inside the reducer mounting frame (14), and the reducer mounting frame (14) is connected with a motor (501).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201911416629.3A CN110976890A (en) | 2019-12-31 | 2019-12-31 | Double-roller electric rolling crusher |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201911416629.3A CN110976890A (en) | 2019-12-31 | 2019-12-31 | Double-roller electric rolling crusher |
Publications (1)
Publication Number | Publication Date |
---|---|
CN110976890A true CN110976890A (en) | 2020-04-10 |
Family
ID=70080165
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201911416629.3A Pending CN110976890A (en) | 2019-12-31 | 2019-12-31 | Double-roller electric rolling crusher |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN110976890A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114316412A (en) * | 2022-01-20 | 2022-04-12 | 陶然 | Ultra-high molecular weight polyethylene flame-retardant composite material and preparation method thereof |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB698494A (en) * | 1949-03-31 | 1953-10-14 | Max Berz | A pulverising mill |
SU1544485A1 (en) * | 1988-05-26 | 1990-02-23 | Специальное Конструкторское Бюро По Оборудованию Для Производства Асбестоцементных Изделий "Асбоцеммаш" | Edge runners |
US5895000A (en) * | 1996-11-13 | 1999-04-20 | Trim Co., Ltd. | Glass crushing machine and glass crushing system using the same |
WO2010015564A1 (en) * | 2008-08-07 | 2010-02-11 | Polysius Ag | Roller mill and method for size reduction of ground material |
CN102112230A (en) * | 2008-07-30 | 2011-06-29 | Fl史密斯公司 | Roller mill for grinding particulate material |
CN102198414A (en) * | 2011-04-02 | 2011-09-28 | 中国重型机械研究院有限公司 | Wheel mill |
CN202070372U (en) * | 2011-04-02 | 2011-12-14 | 中国重型机械研究院有限公司 | Large-scale wheel-rotating wheel mill |
CN204107577U (en) * | 2014-09-10 | 2015-01-21 | 河南省力量新材料有限公司 | Ultra-fine diamond is purified and is used graphite separator |
-
2019
- 2019-12-31 CN CN201911416629.3A patent/CN110976890A/en active Pending
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB698494A (en) * | 1949-03-31 | 1953-10-14 | Max Berz | A pulverising mill |
SU1544485A1 (en) * | 1988-05-26 | 1990-02-23 | Специальное Конструкторское Бюро По Оборудованию Для Производства Асбестоцементных Изделий "Асбоцеммаш" | Edge runners |
US5895000A (en) * | 1996-11-13 | 1999-04-20 | Trim Co., Ltd. | Glass crushing machine and glass crushing system using the same |
CN102112230A (en) * | 2008-07-30 | 2011-06-29 | Fl史密斯公司 | Roller mill for grinding particulate material |
WO2010015564A1 (en) * | 2008-08-07 | 2010-02-11 | Polysius Ag | Roller mill and method for size reduction of ground material |
CN102112232A (en) * | 2008-08-07 | 2011-06-29 | 坡利西斯股份公司 | Roller mill and method for size reduction of ground material |
CN102198414A (en) * | 2011-04-02 | 2011-09-28 | 中国重型机械研究院有限公司 | Wheel mill |
CN202070372U (en) * | 2011-04-02 | 2011-12-14 | 中国重型机械研究院有限公司 | Large-scale wheel-rotating wheel mill |
CN204107577U (en) * | 2014-09-10 | 2015-01-21 | 河南省力量新材料有限公司 | Ultra-fine diamond is purified and is used graphite separator |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114316412A (en) * | 2022-01-20 | 2022-04-12 | 陶然 | Ultra-high molecular weight polyethylene flame-retardant composite material and preparation method thereof |
CN114316412B (en) * | 2022-01-20 | 2023-09-08 | 广东驰航新材料科技有限公司 | Ultra-high molecular weight polyethylene flame-retardant composite material and preparation method thereof |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN207238097U (en) | A kind of adjustable Novel Chinese herbal medicine pulverizer of degree of grinding | |
CN108057503A (en) | A kind of mechanical material crushing device | |
CN110976890A (en) | Double-roller electric rolling crusher | |
CN202983758U (en) | Four-roller crusher | |
CN202377038U (en) | Crushing device of coal slime crusher | |
CN103394395B (en) | Slag vertical-mill | |
CN108479958A (en) | A kind of refractory brick raw material crushing edge runner-wet mill | |
CN211758475U (en) | Molybdenum-made double-roller electric rolling crusher | |
CN201271589Y (en) | Disc type mill | |
CN102343295A (en) | Cantilever flexible static-pressure floating ring-roll mill | |
CN203459115U (en) | Vertical mill for mineral slag | |
CN109876920B (en) | High-pressure centrifugal roller press | |
CN106733094A (en) | A kind of graphite lithium cell cathode material crushing and collecting device | |
CN204429394U (en) | A kind of vertical grain pulverizer | |
CN107149964A (en) | A kind of silica flour pulverizer | |
CN102814211A (en) | Efficient grinding mechanism for vertical roller mill | |
CN207478663U (en) | For the double-roll crusher of Bottle & Can | |
CN207204244U (en) | The more rib ball mills of diadust | |
CN206965849U (en) | A kind of silica flour pulverizer | |
CN206105281U (en) | Maintenance device of roller roller shell | |
CN206965831U (en) | A kind of silica flour pulverizer | |
CN202876884U (en) | Centrifugal crusher with deep cavity structure | |
CN205887122U (en) | But solid waste material breaker of noise reduction | |
CN206676420U (en) | A kind of ore crusher | |
CN212732500U (en) | High-tolerance quartz sand grading grinding device |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination |