NL7204796A - - Google Patents
Info
- Publication number
- NL7204796A NL7204796A NL7204796A NL7204796A NL7204796A NL 7204796 A NL7204796 A NL 7204796A NL 7204796 A NL7204796 A NL 7204796A NL 7204796 A NL7204796 A NL 7204796A NL 7204796 A NL7204796 A NL 7204796A
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R27/00—Public address systems
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL7204796A NL7204796A (zh) | 1972-04-11 | 1972-04-11 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL7204796A NL7204796A (zh) | 1972-04-11 | 1972-04-11 |
Publications (1)
Publication Number | Publication Date |
---|---|
NL7204796A true NL7204796A (zh) | 1973-10-15 |
Family
ID=19815819
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL7204796A NL7204796A (zh) | 1972-04-11 | 1972-04-11 |
Country Status (1)
Country | Link |
---|---|
NL (1) | NL7204796A (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2556914A1 (fr) * | 1983-12-14 | 1985-06-21 | Deutsche Post Rundfunk | Systeme de sonorisation de grands espaces |
-
1972
- 1972-04-11 NL NL7204796A patent/NL7204796A/xx unknown
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2556914A1 (fr) * | 1983-12-14 | 1985-06-21 | Deutsche Post Rundfunk | Systeme de sonorisation de grands espaces |