NL17036C - - Google Patents
Info
- Publication number
- NL17036C NL17036C NL17036DA NL17036C NL 17036 C NL17036 C NL 17036C NL 17036D A NL17036D A NL 17036DA NL 17036 C NL17036 C NL 17036C
- Authority
- NL
- Netherlands
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J21/00—Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium, or hafnium
- B01J21/06—Silicon, titanium, zirconium or hafnium; Oxides or hydroxides thereof
- B01J21/08—Silica
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B17/00—Sulfur; Compounds thereof
- C01B17/69—Sulfur trioxide; Sulfuric acid
- C01B17/74—Preparation
- C01B17/76—Preparation by contact processes
- C01B17/78—Preparation by contact processes characterised by the catalyst used
- C01B17/79—Preparation by contact processes characterised by the catalyst used containing vanadium
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H73/00—Protective overload circuit-breaking switches in which excess current opens the contacts by automatic release of mechanical energy stored by previous operation of a hand reset mechanism
- H01H73/36—Protective overload circuit-breaking switches in which excess current opens the contacts by automatic release of mechanical energy stored by previous operation of a hand reset mechanism having electromagnetic release and no other automatic release
- H01H73/42—Protective overload circuit-breaking switches in which excess current opens the contacts by automatic release of mechanical energy stored by previous operation of a hand reset mechanism having electromagnetic release and no other automatic release reset by rotatable knob or wheel
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Inorganic Chemistry (AREA)
- Breakers (AREA)
- Details Of Connecting Devices For Male And Female Coupling (AREA)
- Switch Cases, Indication, And Locking (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE1662970X | 1924-08-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL17036C true NL17036C (ja�@�@) |
Family
ID=7738619
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL17036D NL17036C (ja�@�@) | 1924-08-18 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US1662970A (ja�@�@) |
| FR (1) | FR598928A (ja�@�@) |
| GB (1) | GB238515A (ja�@�@) |
| NL (1) | NL17036C (ja�@�@) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2647186A (en) * | 1949-11-15 | 1953-07-28 | Fed Electric Prod Co | Circuit breaker |
-
0
- NL NL17036D patent/NL17036C/xx active
-
1925
- 1925-05-28 GB GB14021/25A patent/GB238515A/en not_active Expired
- 1925-05-29 FR FR598928D patent/FR598928A/fr not_active Expired
- 1925-06-12 US US36746A patent/US1662970A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| GB238515A (ja�@�@) | 1925-11-19 |
| US1662970A (en) | 1928-03-20 |
| FR598928A (fr) | 1925-12-29 |