NL6815890A - - Google Patents
Info
- Publication number
- NL6815890A NL6815890A NL6815890A NL6815890A NL6815890A NL 6815890 A NL6815890 A NL 6815890A NL 6815890 A NL6815890 A NL 6815890A NL 6815890 A NL6815890 A NL 6815890A NL 6815890 A NL6815890 A NL 6815890A
- Authority
- NL
- Netherlands
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C3/00—Glass compositions
- C03C3/04—Glass compositions containing silica
- C03C3/076—Glass compositions containing silica with 40% to 90% silica, by weight
- C03C3/102—Glass compositions containing silica with 40% to 90% silica, by weight containing lead
- C03C3/105—Glass compositions containing silica with 40% to 90% silica, by weight containing lead containing aluminium
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C3/00—Glass compositions
- C03C3/04—Glass compositions containing silica
- C03C3/076—Glass compositions containing silica with 40% to 90% silica, by weight
- C03C3/102—Glass compositions containing silica with 40% to 90% silica, by weight containing lead
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C4/00—Compositions for glass with special properties
- C03C4/0057—Compositions for glass with special properties for ultrasonic delay lines glass
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
- H03H9/30—Time-delay networks
- H03H9/36—Time-delay networks with non-adjustable delay time
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Glass Compositions (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB5239367A GB1249114A (en) | 1967-11-17 | 1967-11-17 | Glass composition |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL6815890A true NL6815890A (fr) | 1969-05-20 |
Family
ID=10463755
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL6815890A NL6815890A (fr) | 1967-11-17 | 1968-11-07 |
Country Status (4)
| Country | Link |
|---|---|
| DE (1) | DE1807831A1 (fr) |
| FR (1) | FR1593116A (fr) |
| GB (1) | GB1249114A (fr) |
| NL (1) | NL6815890A (fr) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1486564A (en) * | 1974-02-19 | 1977-09-21 | Ici Ltd | Slow-release fertilizers |
-
1967
- 1967-11-17 GB GB5239367A patent/GB1249114A/en not_active Expired
-
1968
- 1968-11-05 DE DE19681807831 patent/DE1807831A1/de active Pending
- 1968-11-06 FR FR1593116D patent/FR1593116A/fr not_active Expired
- 1968-11-07 NL NL6815890A patent/NL6815890A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| FR1593116A (fr) | 1970-05-25 |
| DE1807831A1 (de) | 1969-08-28 |
| GB1249114A (en) | 1971-10-06 |