NL6509233A - - Google Patents
Info
- Publication number
- NL6509233A NL6509233A NL6509233A NL6509233A NL6509233A NL 6509233 A NL6509233 A NL 6509233A NL 6509233 A NL6509233 A NL 6509233A NL 6509233 A NL6509233 A NL 6509233A NL 6509233 A NL6509233 A NL 6509233A
- Authority
- NL
- Netherlands
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G59/00—Polycondensates containing more than one epoxy group per molecule; Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups
- C08G59/18—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing
- C08G59/40—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing characterised by the curing agents used
- C08G59/50—Amines
- C08G59/54—Amino amides>
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q1/00—Details of selecting apparatus or arrangements
- H04Q1/18—Electrical details
- H04Q1/30—Signalling arrangements; Manipulation of signalling currents
- H04Q1/38—Signalling arrangements; Manipulation of signalling currents using combinations of direct currents of different amplitudes or polarities over line conductors or combination of line conductors
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q3/00—Selecting arrangements
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Monitoring And Testing Of Exchanges (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEST22459A DE1220488B (de) | 1964-07-25 | 1964-07-25 | Verfahren zur Zeichengabe ueber ein bedarfsweise zusammengeschaltetes Leitungsbuendel zwischen zentralen Steuereinrichtungen in Fernmelde-, insbesondere Fernsprechvermittlungsanlagen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL6509233A true NL6509233A (xx) | 1966-01-26 |
Family
ID=7459390
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL6509233A NL6509233A (xx) | 1964-07-25 | 1965-07-16 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US3414678A (xx) |
| DE (1) | DE1220488B (xx) |
| GB (1) | GB1095575A (xx) |
| NL (1) | NL6509233A (xx) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1095574A (xx) * | 1964-07-18 | |||
| NL6712959A (xx) * | 1967-09-22 | 1969-03-25 | ||
| ZA74205B (en) * | 1973-02-12 | 1974-11-27 | Int Standard Electric Corp | Line condition signalling system |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2978641A (en) * | 1956-10-31 | 1961-04-04 | Siemens And Halske Ag Berlin A | Circuit ambiguity testing apparatus |
| GB1053347A (xx) * | 1962-10-16 |
-
0
- GB GB1095575D patent/GB1095575A/en active Active
-
1964
- 1964-07-25 DE DEST22459A patent/DE1220488B/de active Pending
-
1965
- 1965-07-15 US US472116A patent/US3414678A/en not_active Expired - Lifetime
- 1965-07-16 NL NL6509233A patent/NL6509233A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| US3414678A (en) | 1968-12-03 |
| GB1095575A (xx) | |
| DE1220488B (de) | 1966-07-07 |