BE454810A - Dispositif auxiliaire pour soutènement métaliique d'exploitations minières - Google Patents
Dispositif auxiliaire pour soutènement métaliique d'exploitations minièresInfo
- Publication number
- BE454810A BE454810A BE454810A BE454810A BE454810A BE 454810 A BE454810 A BE 454810A BE 454810 A BE454810 A BE 454810A BE 454810 A BE454810 A BE 454810A BE 454810 A BE454810 A BE 454810A
- Authority
- BE
- Belgium
- Prior art keywords
- rail
- head
- branches
- auxiliary device
- metal support
- Prior art date
Links
- 239000002184 metal Substances 0.000 title claims description 5
- 238000005065 mining Methods 0.000 title claims 2
- 238000006073 displacement reaction Methods 0.000 claims description 3
- 235000000396 iron Nutrition 0.000 claims description 2
- 238000010521 absorption reaction Methods 0.000 claims 1
- 238000012937 correction Methods 0.000 claims 1
- 125000006850 spacer group Chemical group 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 235000001674 Agaricus brunnescens Nutrition 0.000 description 1
- 241001669679 Eleotris Species 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000005422 blasting Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
- C07F9/00—Compounds containing elements of Groups 5 or 15 of the Periodic Table
- C07F9/02—Phosphorus compounds
- C07F9/06—Phosphorus compounds without P—C bonds
- C07F9/08—Esters of oxyacids of phosphorus
- C07F9/09—Esters of phosphoric acids
- C07F9/10—Phosphatides, e.g. lecithin
- C07F9/103—Extraction or purification by physical or chemical treatment of natural phosphatides; Preparation of compositions containing phosphatides of unknown structure
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D17/00—Caps for supporting mine roofs
- E21D17/10—Details of mine caps for engaging the tops of pit-props, with or without retaining-plates; Retaining-plates
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Engineering & Computer Science (AREA)
- Biochemistry (AREA)
- Molecular Biology (AREA)
- General Health & Medical Sciences (AREA)
- Health & Medical Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Machines For Laying And Maintaining Railways (AREA)
- Detergent Compositions (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEZ22503D DE731996C (de) | 1935-05-29 | 1935-05-29 | Verfahren zur Herstellung von Schwefelsaeure und Metaphosphorsaeure haltigen Mischestern hoehermolekularer ungesaettigter aliphatischer Alkohole |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE454810A true BE454810A (fr) | 1944-04-29 |
Family
ID=7625653
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE454810A BE454810A (fr) | 1935-05-29 | 1944-03-13 | Dispositif auxiliaire pour soutènement métaliique d'exploitations minières |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE454810A (de) |
| DE (1) | DE731996C (de) |
| FR (1) | FR903997A (de) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE973959C (de) * | 1952-03-22 | 1960-08-04 | Zschimmer & Schwarz | Verfahren zur Herstellung von Sulfonierungsmitteln zur schonenden Sulfonierung von ungesaettigten Fettalkoholen |
-
1935
- 1935-05-29 DE DEZ22503D patent/DE731996C/de not_active Expired
-
1944
- 1944-03-13 BE BE454810A patent/BE454810A/fr unknown
- 1944-05-05 FR FR903997D patent/FR903997A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR903997A (fr) | 1945-10-23 |
| DE731996C (de) | 1943-03-02 |
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