NL93627C - - Google Patents
Info
- Publication number
- NL93627C NL93627C NL195638A NL195638A NL93627C NL 93627 C NL93627 C NL 93627C NL 195638 A NL195638 A NL 195638A NL 195638 A NL195638 A NL 195638A NL 93627 C NL93627 C NL 93627C
- Authority
- NL
- Netherlands
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D487/00—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, not provided for by groups C07D451/00 - C07D477/00
- C07D487/02—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, not provided for by groups C07D451/00 - C07D477/00 in which the condensed system contains two hetero rings
- C07D487/04—Ortho-condensed systems
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01K—ELECTRIC INCANDESCENT LAMPS
- H01K1/00—Details
- H01K1/62—One or more circuit elements structurally associated with the lamp
- H01K1/70—One or more circuit elements structurally associated with the lamp with built-in short-circuiting device, e.g. for serially connected lamps
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Vessels And Coating Films For Discharge Lamps (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE1938P0077565 DE703518C (de) | 1938-07-05 | 1938-07-05 | Elektrische Gluehlampe fuer Reihenschaltung, insbesondere fuer Stromkreise mit 220 Volt uebersteigenden Netzspannungen |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| NL195638B NL195638B (en:Method) | 1959-10-15 |
| NL93627C true NL93627C (en:Method) | 1960-03-15 |
Family
ID=7393202
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL195638A NL93627C (en:Method) | 1938-07-05 | 1955-03-16 |
Country Status (2)
| Country | Link |
|---|---|
| DE (1) | DE703518C (en:Method) |
| NL (1) | NL93627C (en:Method) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1041594B (de) * | 1952-07-30 | 1958-10-23 | Philips Patentverwaltung | Kurzschliesseinrichtung fuer in Serie geschaltete Gluehlampen |
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1938
- 1938-07-05 DE DE1938P0077565 patent/DE703518C/de not_active Expired
-
1955
- 1955-03-16 NL NL195638A patent/NL93627C/xx active
Also Published As
| Publication number | Publication date |
|---|---|
| DE703518C (de) | 1941-03-11 |
| NL195638B (en:Method) | 1959-10-15 |