NL77879C - - Google Patents
Info
- Publication number
- NL77879C NL77879C NL77879DA NL77879C NL 77879 C NL77879 C NL 77879C NL 77879D A NL77879D A NL 77879DA NL 77879 C NL77879 C NL 77879C
- Authority
- NL
- Netherlands
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/22—Devices for withdrawing samples in the gaseous state
- G01N1/24—Suction devices
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/22—Devices for withdrawing samples in the gaseous state
- G01N1/24—Suction devices
- G01N2001/241—Bellows
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DED11305A DE1007523B (en) | 1952-01-07 | 1952-01-07 | Device for the detection of foreign gases or suspended matter in air |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL77879C true NL77879C (en) |
Family
ID=7033724
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL77879D NL77879C (en) | 1952-01-07 |
Country Status (3)
| Country | Link |
|---|---|
| CH (1) | CH308314A (en) |
| DE (1) | DE1007523B (en) |
| NL (1) | NL77879C (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1017597A (en) * | 1961-09-21 | 1966-01-19 | Drager Otto H | Improvements in or relating to pumps for use in testing gases |
| DE2913283C3 (en) * | 1979-04-03 | 1982-05-27 | Drägerwerk AG, 2400 Lübeck | Detector tubes for measuring chromate and chromic acid aerosols in air |
| DE3223742C2 (en) * | 1982-06-25 | 1985-08-22 | Drägerwerk AG, 2400 Lübeck | Detector tubes for the selective measurement of oil mist |
| DE3330578A1 (en) * | 1983-08-22 | 1985-03-14 | Auergesellschaft Gmbh, 1000 Berlin | AIR CONVEYOR FOR GAS SPRAY TUBES |
| DE3822001C1 (en) * | 1988-06-30 | 1989-12-07 | Draegerwerk Ag, 2400 Luebeck, De | |
| DE4214634C1 (en) * | 1992-04-24 | 1993-10-07 | Deutsch & Neumann Gmbh | Pipette for suction of fluids - has closure in extension to rubber ball to allow air to flow only outwards |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE304495C (en) * | ||||
| DE318363C (en) * | ||||
| FR515464A (en) * | 1920-05-14 | 1921-04-02 | Cfcmug | Method and device for measuring the consumption of a flammable liquid |
| DE708245C (en) * | 1936-09-16 | 1941-07-16 | Auergesellschaft Akt Ges | Air delivery device for gas purging devices |
| DE722657C (en) * | 1941-02-25 | 1942-07-16 | Auergesellschaft Ag | Air conveyor for gas purging devices |
-
0
- NL NL77879D patent/NL77879C/xx active
-
1952
- 1952-01-07 DE DED11305A patent/DE1007523B/en active Pending
- 1952-12-13 CH CH308314D patent/CH308314A/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE1007523B (en) | 1957-05-02 |
| CH308314A (en) | 1955-07-15 |