CH313883A - Automatic telecommunication system with a number of at least two cascaded stages of group dialers - Google Patents
Automatic telecommunication system with a number of at least two cascaded stages of group dialersInfo
- Publication number
- CH313883A CH313883A CH313883DA CH313883A CH 313883 A CH313883 A CH 313883A CH 313883D A CH313883D A CH 313883DA CH 313883 A CH313883 A CH 313883A
- Authority
- CH
- Switzerland
- Prior art keywords
- dialers
- group
- telecommunication system
- cascaded stages
- automatic telecommunication
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q3/00—Selecting arrangements
- H04Q3/42—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
- C07F7/00—Compounds containing elements of Groups 4 or 14 of the Periodic Table
-
- 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
- C08G59/68—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 catalysts used
- C08G59/70—Chelates
-
- 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
- C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
- C08G63/91—Polymers modified by chemical after-treatment
- C08G63/914—Polymers modified by chemical after-treatment derived from polycarboxylic acids and polyhydroxy compounds
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09F—NATURAL RESINS; FRENCH POLISH; DRYING-OILS; OIL DRYING AGENTS, i.e. SICCATIVES; TURPENTINE
- C09F7/00—Chemical modification of drying oils
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- General Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL313883X | 1951-08-04 |
Publications (1)
Publication Number | Publication Date |
---|---|
CH313883A true CH313883A (en) | 1956-05-15 |
Family
ID=19783734
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH313883D CH313883A (en) | 1951-08-04 | 1952-08-02 | Automatic telecommunication system with a number of at least two cascaded stages of group dialers |
Country Status (6)
Country | Link |
---|---|
BE (1) | BE513310A (en) |
CH (1) | CH313883A (en) |
DE (1) | DE938853C (en) |
FR (1) | FR1071066A (en) |
GB (1) | GB717996A (en) |
NL (1) | NL163139B (en) |
-
0
- BE BE513310D patent/BE513310A/xx unknown
- NL NL6906042.A patent/NL163139B/en unknown
-
1952
- 1952-08-01 GB GB19523/52A patent/GB717996A/en not_active Expired
- 1952-08-01 DE DEN5879A patent/DE938853C/en not_active Expired
- 1952-08-01 FR FR1071066D patent/FR1071066A/en not_active Expired
- 1952-08-02 CH CH313883D patent/CH313883A/en unknown
Also Published As
Publication number | Publication date |
---|---|
GB717996A (en) | 1954-11-03 |
DE938853C (en) | 1956-02-09 |
BE513310A (en) | |
FR1071066A (en) | 1954-08-24 |
NL163139B (en) |
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