NL97957C - - Google Patents
Info
- Publication number
- NL97957C NL97957C NL97957DA NL97957C NL 97957 C NL97957 C NL 97957C NL 97957D A NL97957D A NL 97957DA NL 97957 C NL97957 C NL 97957C
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q5/00—Selecting arrangements wherein two or more subscriber stations are connected by the same line to the exchange
- H04Q5/02—Selecting arrangements wherein two or more subscriber stations are connected by the same line to the exchange with direct connection for all subscribers, i.e. party-line systems
- H04Q5/14—Signalling by pulses
- H04Q5/16—Signalling by pulses by predetermined number of pulses
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
- C11D1/02—Anionic compounds
- C11D1/12—Sulfonic acids or sulfuric acid esters; Salts thereof
- C11D1/22—Sulfonic acids or sulfuric acid esters; Salts thereof derived from aromatic compounds
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Computer Networks & Wireless Communication (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE354197X | 1956-02-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL97957C true NL97957C (xx) |
Family
ID=6287008
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL213449D NL213449A (xx) | 1956-02-04 | ||
| NL97957D NL97957C (xx) | 1956-02-04 |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL213449D NL213449A (xx) | 1956-02-04 |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE554715A (xx) |
| CH (2) | CH231156A (xx) |
| FR (1) | FR1168546A (xx) |
| NL (2) | NL97957C (xx) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE611781A (xx) * | 1960-12-23 |
-
0
- NL NL213449D patent/NL213449A/xx unknown
- BE BE554715D patent/BE554715A/xx unknown
- NL NL97957D patent/NL97957C/xx active
-
1942
- 1942-10-28 CH CH231156D patent/CH231156A/de unknown
-
1957
- 1957-01-09 CH CH354197D patent/CH354197A/de unknown
- 1957-02-02 FR FR1168546D patent/FR1168546A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| NL213449A (xx) | |
| CH354197A (de) | 1961-05-15 |
| BE554715A (xx) | 1957-02-28 |
| FR1168546A (fr) | 1958-12-09 |
| CH231156A (de) | 1944-02-29 |