NL303012A - - Google Patents
Info
- Publication number
- NL303012A NL303012A NL303012DA NL303012A NL 303012 A NL303012 A NL 303012A NL 303012D A NL303012D A NL 303012DA NL 303012 A NL303012 A NL 303012A
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H35/00—Switches operated by change of a physical condition
- H01H35/18—Switches operated by change of liquid level or of liquid density, e.g. float switch
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
- G01F23/0038—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm using buoyant probes
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N9/00—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity
- G01N9/10—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity by observing bodies wholly or partially immersed in fluid materials
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Fluid Mechanics (AREA)
- Level Indicators Using A Float (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US26017963A | 1963-02-21 | 1963-02-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL303012A true NL303012A (de) |
Family
ID=22988103
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL303012D NL303012A (de) | 1963-02-21 |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE643679A (de) |
| GB (1) | GB1023436A (de) |
| NL (1) | NL303012A (de) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112622564B (zh) * | 2020-12-22 | 2023-06-06 | 宋清云 | 一种汽车内空气流通的安全保险系统及其装置 |
-
0
- NL NL303012D patent/NL303012A/xx unknown
-
1963
- 1963-12-30 GB GB5117463A patent/GB1023436A/en not_active Expired
-
1964
- 1964-02-12 BE BE643679D patent/BE643679A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| BE643679A (de) | 1964-08-12 |
| GB1023436A (en) | 1966-03-23 |