NL92281C - - Google Patents
Info
- Publication number
- NL92281C NL92281C NL92281DA NL92281C NL 92281 C NL92281 C NL 92281C NL 92281D A NL92281D A NL 92281DA NL 92281 C NL92281 C NL 92281C
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P1/00—Auxiliary devices
- H01P1/20—Frequency-selective devices, e.g. filters
- H01P1/213—Frequency-selective devices, e.g. filters combining or separating two or more different frequencies
- H01P1/2131—Frequency-selective devices, e.g. filters combining or separating two or more different frequencies with combining or separating polarisations
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q15/00—Devices for reflection, refraction, diffraction or polarisation of waves radiated from an antenna, e.g. quasi-optical devices
- H01Q15/0006—Devices acting selectively as reflecting surface, as diffracting or as refracting device, e.g. frequency filtering or angular spatial filtering devices
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR1054112T | 1951-11-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL92281C true NL92281C (de) |
Family
ID=9596262
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL92281D NL92281C (de) | 1951-11-19 | ||
| NLAANVRAGE7902086,A NL173387B (nl) | 1951-11-19 | Werkwijze voor het maken van stabiele, ammoniumnitraat bevattende meststofkorrels. |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NLAANVRAGE7902086,A NL173387B (nl) | 1951-11-19 | Werkwijze voor het maken van stabiele, ammoniumnitraat bevattende meststofkorrels. |
Country Status (2)
| Country | Link |
|---|---|
| FR (2) | FR1054112A (de) |
| NL (2) | NL173387B (de) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL237152A (de) * | 1958-03-28 | |||
| US5483387A (en) * | 1994-07-22 | 1996-01-09 | Honeywell, Inc. | High pass optical filter |
-
0
- NL NL92281D patent/NL92281C/xx active
- NL NLAANVRAGE7902086,A patent/NL173387B/xx unknown
-
1951
- 1951-11-19 FR FR1054112D patent/FR1054112A/fr not_active Expired
-
1952
- 1952-10-30 FR FR63340D patent/FR63340E/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR1054112A (fr) | 1954-02-08 |
| FR63340E (fr) | 1955-09-13 |
| NL173387B (nl) |