NL54814C - - Google Patents
Info
- Publication number
- NL54814C NL54814C NL54814DA NL54814C NL 54814 C NL54814 C NL 54814C NL 54814D A NL54814D A NL 54814DA NL 54814 C NL54814 C NL 54814C
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J9/00—Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
- H01J9/42—Measurement or testing during manufacture
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Vessels And Coating Films For Discharge Lamps (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE217624X | 1937-07-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL54814C true NL54814C (https=) |
Family
ID=5830861
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL54814D NL54814C (https=) | 1937-07-12 |
Country Status (5)
| Country | Link |
|---|---|
| BE (1) | BE429096A (https=) |
| CH (1) | CH217624A (https=) |
| FR (1) | FR840585A (https=) |
| GB (1) | GB501252A (https=) |
| NL (1) | NL54814C (https=) |
-
0
- NL NL54814D patent/NL54814C/xx active
- BE BE429096D patent/BE429096A/xx unknown
-
1938
- 1938-07-09 GB GB20398/38A patent/GB501252A/en not_active Expired
- 1938-07-12 FR FR840585D patent/FR840585A/fr not_active Expired
- 1938-07-12 CH CH217624D patent/CH217624A/de unknown
Also Published As
| Publication number | Publication date |
|---|---|
| GB501252A (en) | 1939-02-23 |
| FR840585A (fr) | 1939-04-27 |
| BE429096A (https=) | |
| CH217624A (de) | 1941-10-31 |