FR842539A - Machine comptable avec mécanismes compteurs - Google Patents
Machine comptable avec mécanismes compteursInfo
- Publication number
- FR842539A FR842539A FR842539DA FR842539A FR 842539 A FR842539 A FR 842539A FR 842539D A FR842539D A FR 842539DA FR 842539 A FR842539 A FR 842539A
- Authority
- FR
- France
- Prior art keywords
- accounting machine
- counting mechanisms
- counting
- mechanisms
- accounting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C5/00—Preparation of hydrocarbons from hydrocarbons containing the same number of carbon atoms
- C07C5/32—Preparation of hydrocarbons from hydrocarbons containing the same number of carbon atoms by dehydrogenation with formation of free hydrogen
- C07C5/35—Formation of carbon-to-carbon triple bonds only
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C11/00—Aliphatic unsaturated hydrocarbons
- C07C11/22—Aliphatic unsaturated hydrocarbons containing carbon-to-carbon triple bonds
- C07C11/24—Acetylene
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C17/00—Preparation of halogenated hydrocarbons
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C17/00—Preparation of halogenated hydrocarbons
- C07C17/093—Preparation of halogenated hydrocarbons by replacement by halogens
- C07C17/10—Preparation of halogenated hydrocarbons by replacement by halogens of hydrogen atoms
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C17/00—Preparation of halogenated hydrocarbons
- C07C17/25—Preparation of halogenated hydrocarbons by splitting-off hydrogen halides from halogenated hydrocarbons
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C17/00—Preparation of halogenated hydrocarbons
- C07C17/26—Preparation of halogenated hydrocarbons by reactions involving an increase in the number of carbon atoms in the skeleton
- C07C17/263—Preparation of halogenated hydrocarbons by reactions involving an increase in the number of carbon atoms in the skeleton by condensation reactions
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C2/00—Preparation of hydrocarbons from hydrocarbons containing a smaller number of carbon atoms
- C07C2/76—Preparation of hydrocarbons from hydrocarbons containing a smaller number of carbon atoms by condensation of hydrocarbons with partial elimination of hydrogen
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C2/00—Preparation of hydrocarbons from hydrocarbons containing a smaller number of carbon atoms
- C07C2/76—Preparation of hydrocarbons from hydrocarbons containing a smaller number of carbon atoms by condensation of hydrocarbons with partial elimination of hydrogen
- C07C2/78—Processes with partial combustion
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C4/00—Preparation of hydrocarbons from hydrocarbons containing a larger number of carbon atoms
- C07C4/02—Preparation of hydrocarbons from hydrocarbons containing a larger number of carbon atoms by cracking a single hydrocarbon or a mixture of individually defined hydrocarbons or a normally gaseous hydrocarbon fraction
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C5/00—Preparation of hydrocarbons from hydrocarbons containing the same number of carbon atoms
- C07C5/42—Preparation of hydrocarbons from hydrocarbons containing the same number of carbon atoms by dehydrogenation with a hydrogen acceptor
- C07C5/44—Preparation of hydrocarbons from hydrocarbons containing the same number of carbon atoms by dehydrogenation with a hydrogen acceptor with halogen or a halogen-containing compound as an acceptor
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06C—DIGITAL COMPUTERS IN WHICH ALL THE COMPUTATION IS EFFECTED MECHANICALLY
- G06C11/00—Output mechanisms
- G06C11/02—Output mechanisms with visual indication, e.g. counter drum
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Computer Hardware Design (AREA)
- Physics & Mathematics (AREA)
- Combustion & Propulsion (AREA)
- Computing Systems (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEW22918D DE1132120B (de) | 1958-03-07 | 1958-03-07 | Verfahren zur Herstellung von Acetylen neben chlorierten Kohlenwasserstoffen |
Publications (1)
Publication Number | Publication Date |
---|---|
FR842539A true FR842539A (fr) | 1939-06-14 |
Family
ID=7597417
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR842539D Expired FR842539A (fr) | 1958-03-07 | 1938-08-24 | Machine comptable avec mécanismes compteurs |
Country Status (3)
Country | Link |
---|---|
DE (1) | DE1132120B (fr) |
FR (1) | FR842539A (fr) |
GB (1) | GB842539A (fr) |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB353913A (en) * | 1930-02-26 | 1931-07-27 | Thomas Sherlock Wheeler | Process of performing endothermic gas reactions |
US1942889A (en) * | 1930-02-26 | 1934-01-09 | Ici Ltd | Process of performing endothermic gas reactions |
FR748861A (fr) * | 1932-04-01 | 1933-07-12 | Procédé pour l'obtention d'acétylène à partir du méthane et de carbures supérieurs | |
US2259159A (en) * | 1939-09-20 | 1941-10-14 | Cutting Room Appliances Corp | Counting apparatus |
-
1938
- 1938-08-24 FR FR842539D patent/FR842539A/fr not_active Expired
-
1958
- 1958-03-07 DE DEW22918D patent/DE1132120B/de active Pending
-
1959
- 1959-03-02 GB GB721259A patent/GB842539A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE1132120B (de) | 1962-06-28 |
GB842539A (en) | 1960-07-27 |
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