NL52907C - - Google Patents
Info
- Publication number
- NL52907C NL52907C NL52907DA NL52907C NL 52907 C NL52907 C NL 52907C NL 52907D A NL52907D A NL 52907DA NL 52907 C NL52907 C NL 52907C
- 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
- H01J9/24—Manufacture or joining of vessels, leading-in conductors or bases
- H01J9/34—Joining base to vessel
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Common Detailed Techniques For Electron Tubes Or Discharge Tubes (AREA)
- Vessels And Coating Films For Discharge Lamps (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE510384X | 1937-08-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL52907C true NL52907C (https=) |
Family
ID=6547425
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL52907D NL52907C (https=) | 1937-08-09 |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE510384A (https=) |
| FR (1) | FR841523A (https=) |
| GB (1) | GB510384A (https=) |
| NL (1) | NL52907C (https=) |
-
0
- NL NL52907D patent/NL52907C/xx active
-
1938
- 1938-08-01 FR FR841523D patent/FR841523A/fr not_active Expired
- 1938-08-09 GB GB23474/38A patent/GB510384A/en not_active Expired
-
1952
- 1952-04-02 BE BE510384A patent/BE510384A/fr unknown
Also Published As
| Publication number | Publication date |
|---|---|
| BE510384A (fr) | 1953-10-09 |
| GB510384A (en) | 1939-08-01 |
| FR841523A (fr) | 1939-05-22 |