EP0237658A1 - An additive for increasing the rate of burning of a liquid hydrocarbon material, and a method for its manufacture - Google Patents
An additive for increasing the rate of burning of a liquid hydrocarbon material, and a method for its manufacture Download PDFInfo
- Publication number
- EP0237658A1 EP0237658A1 EP86301887A EP86301887A EP0237658A1 EP 0237658 A1 EP0237658 A1 EP 0237658A1 EP 86301887 A EP86301887 A EP 86301887A EP 86301887 A EP86301887 A EP 86301887A EP 0237658 A1 EP0237658 A1 EP 0237658A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- additive
- liquid hydrocarbon
- hydrocarbon material
- alcohol
- burning
- 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.)
- Withdrawn
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L10/00—Use of additives to fuels or fires for particular purposes
- C10L10/02—Use of additives to fuels or fires for particular purposes for reducing smoke development
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L1/00—Liquid carbonaceous fuels
- C10L1/10—Liquid carbonaceous fuels containing additives
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L10/00—Use of additives to fuels or fires for particular purposes
- C10L10/06—Use of additives to fuels or fires for particular purposes for facilitating soot removal
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L1/00—Liquid carbonaceous fuels
- C10L1/10—Liquid carbonaceous fuels containing additives
- C10L1/12—Inorganic compounds
- C10L1/1233—Inorganic compounds oxygen containing compounds, e.g. oxides, hydroxides, acids and salts thereof
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L1/00—Liquid carbonaceous fuels
- C10L1/10—Liquid carbonaceous fuels containing additives
- C10L1/14—Organic compounds
- C10L1/16—Hydrocarbons
- C10L1/1616—Hydrocarbons fractions, e.g. lubricants, solvents, naphta, bitumen, tars, terpentine
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L1/00—Liquid carbonaceous fuels
- C10L1/10—Liquid carbonaceous fuels containing additives
- C10L1/14—Organic compounds
- C10L1/18—Organic compounds containing oxygen
- C10L1/182—Organic compounds containing oxygen containing hydroxy groups; Salts thereof
- C10L1/1822—Organic compounds containing oxygen containing hydroxy groups; Salts thereof hydroxy group directly attached to (cyclo)aliphatic carbon atoms
- C10L1/1824—Organic compounds containing oxygen containing hydroxy groups; Salts thereof hydroxy group directly attached to (cyclo)aliphatic carbon atoms mono-hydroxy
Definitions
- the present invention relates to an additive for increasing the rate of burning of a liquid hydrocarbon material, (such as petrol) that contributes greatly to the completeness of burning of the material and to a method of manufacturing such an additive.
- a liquid hydrocarbon material such as petrol
- added oxidizer or atomized water enhances the combustion rate by supplying an appropriate additional quantity of oxygen.
- the present invention sets out to solve the above problems by producing a uniform admixture of a solution containing an organo germanium oxide and alcohols and liquid hydrocarbon materials as well as a surface active agent.
- the invention consists in an additive for increasing the rate of burning of a liquid hydrocarbon material characterised by comprising a uniform mixture of a solution in water of an organo germanium oxide, at least one liquid alcohol, and liquid hydrocarbon material together with a surface active agent.
- the liquid hydrocarbon material can be a heating oil or a fuel for a vehicle engine e.g. marine fuel oil, aviation fuel, diesel oil of differing grades or, most especially, leaded or unleaded petrol for automobiles.
- a heating oil or a fuel for a vehicle engine e.g. marine fuel oil, aviation fuel, diesel oil of differing grades or, most especially, leaded or unleaded petrol for automobiles.
- the alcohol is preferably an alkanol, and more especially those alcohols of lower molecular weight e.g. the C1 to C6 alkanols, preferably methanol and ethanol.
- those alcohols of lower molecular weight e.g. the C1 to C6 alkanols, preferably methanol and ethanol.
- a mixture of a major volume proportion of ethanol and a minor volume proportion of methanol e.g. 80:20 is particularly valuable.
- a quantity of an organo germanium 32 oxide down to 1mg/l can be effective for the purpose of the invention. As the quantity is increased, it provides a corresponding effect. For practical purposes, however, the quantity may be increased up to 1000mg/l. The range between 50mg/l and 500mg/l is preferred in terms of cost efficiency.
- the alcohol e.g. 20% of methyl alcohol and 80% of ethyl alcohol
- the alcohol are preferably present in amounts from 900ml/ld to 300ml/l .
- the preferred quantity may range from 50ml/l to 400ml/l, and for the surface active agent from 50ml/l and to 300ml/l.
- the quantity of water is usually sufficient to allow the organo germanium oxide to be dissolved in the water. It may depend upon the quantity of the organic germanium, but usually ranges between 5ml/land 20ml/l.
- the alcohols are added to increase the affinity of the mixture with the organo germanium.
- the liquid hydrocarbon material is added to facilitate the admixture of the additive of the invention with the fuel.
- the surface active agent is provided to improve the diffusion of the accelerator throughout the fuel, thereby allowing it to be mixed with the fuel rapidly and uniformly.
- the amount of the additive actually to be used depends upon the kind or nature of the fuel. Usually the value of 100 ppm to 1000 ppm provides a satisfactory effect.For gasoline (petrol) to be used in a gasoline engine, an amount of approximately 500 ppm provides the desired effect.
- the invention provides a method of increasing the rate of burning leaded or unleaded petrol for an automobile characterised in that it involves the essential step of adding to the petrol from 100 to 1000 ppm of the additive as described above.
- the invention provides a method of manufacture of such an additive characterised in that (a) the organogermanium oxide is dissolved in the water (b) the alcohol or alcohols are added and mixed and (c) the liquid hydrocarbon material and surface active agent are added and uniformly mixed.
- the organo germanium used in the present invention appears to contribute to reducing the fuel oil particles into finer particles, and thus increases the contact area between the fuel particles and oxygen.
- the active oxygen contained in the organo germanium appears to lower the flash or firing point of the fuel,thereby accelerating the burning rate.
- the additive can also improve the rates of atomizing, vaporization, and diffusion of the fuel.
- the organo germanium oxide in the additive according to the present invention is easily dissolved in the water, and the resultant solution can uniformly diffuse throughout liquid hydrocarbon material without risk of segregation.
- organo germanium oxide 100 mg is dissolved in 10ml of water, and 770ml of alcohol (20% v/v of methyl alchol and 80% of ethyl alcohol) is added to the resultant solution while it is being stirred. A uniform mixture is obtained. Then, 100ml of petrol and 100ml of a surface active agent are gradually added to that uniform mixture with stirring. The result is an additive according to the present invention, in an amount of 1000ml.
- the present invention provides for easy admixture.
- the additive incorporating the uniform mixture of the organo oxide can rapidly diffuse throughout the fuel whatever its quantity may be.
- Fuel oil Gas oil No. 1 offered by Esso Oil. Calorie of 10,800: specific gravity of 0.8326.
- Engine Model 6BD offered by Isuzu Motors Co. Capacity of 5785 c.c Output of 85ps/2100 rpm Maximum torque of 31 kgm/1500 rpm Test mode: conforms with JIS-D-1005
Landscapes
- Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Combustion & Propulsion (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Liquid Carbonaceous Fuels (AREA)
Abstract
The present invention provides an additive for fuel oils such as petrol or similar liquid hydrocarbon materials, which incorporates a uniform mixture composed of an organogermanium oxide, at least one alcohol, a liquid hydrocarbon material and a surface active agent. Adding the accelerator to the fuel oil enhances the rate of burning of the fuel. Preferred amounts are 1-1000mg of organogermanium oxide, 300-900mℓ of a mixture of 80% v/v of ethanol and 20% v/v methanol and 50-400mg of liquid hydrocarbon material, all per litre.
Description
- The present invention relates to an additive for increasing the rate of burning of a liquid hydrocarbon material, (such as petrol) that contributes greatly to the completeness of burning of the material and to a method of manufacturing such an additive.
- Conventional technologies that help fuels such as petrol to burn efficiently include improved internal combustion engines; improved carburetor nozzles; added oxidizer; or atomized water.
- Internal combustion engines, or associated parts, have primarily been improved to improve the mixture ratio of the fuel and air under pressure, or to enhance the flame delivery at the time of combustion, or to minimize the quantity of the exhaust gases that may contain harmful ingredients.
- As an alternative to the above solution, added oxidizer or atomized water enhances the combustion rate by supplying an appropriate additional quantity of oxygen.
- Specific improvements associated with mechanical parts include changes in the geometrical shape of the combustion chamber, nozzles, and inlet or outlet paths. Those changes have as an objective to provide improved burning efficiency. Since those improvements rely solely upon the combustion chamber or its associated parts for improved burning efficiency, however, they can cause a problem when the engine is running at high speeds, in that the fluid becomes viscous and limits further improvement in the combustion efficiency.
- For the alternative solution that deals with supplying the appropriate amount of oxygen or other additives to the fuel oil, there is also a problem, in that it is difficult to mix those additives rapidly and uniformly with the fuel oil. It is also difficult to control the quantity of those agents to be added, since they can affect the ignition and timing and the compression ratio within the combustion chamber, depending upon the quantity of additives. Thus, the usage of such additives is limited.
- The present invention sets out to solve the above problems by producing a uniform admixture of a solution containing an organo germanium oxide and alcohols and liquid hydrocarbon materials as well as a surface active agent.
- In one aspect the invention consists in an additive for increasing the rate of burning of a liquid hydrocarbon material characterised by comprising a uniform mixture of a solution in water of an organo germanium oxide, at least one liquid alcohol, and liquid hydrocarbon material together with a surface active agent.
- The liquid hydrocarbon material can be a heating oil or a fuel for a vehicle engine e.g. marine fuel oil, aviation fuel, diesel oil of differing grades or, most especially, leaded or unleaded petrol for automobiles.
- The alcohol is preferably an alkanol, and more especially those alcohols of lower molecular weight e.g. the C₁ to C₆ alkanols, preferably methanol and ethanol. A mixture of a major volume proportion of ethanol and a minor volume proportion of methanol e.g. 80:20 is particularly valuable.
- A quantity of an organo germanium 32 oxide down to 1mg/ℓ, can be effective for the purpose of the invention. As the quantity is increased, it provides a corresponding effect. For practical purposes, however, the quantity may be increased up to 1000mg/ℓ. The range between 50mg/ℓ and 500mg/ℓ is preferred in terms of cost efficiency.
- The alcohol (e.g. 20% of methyl alcohol and 80% of ethyl alcohol) are preferably present in amounts from 900mℓ/ℓd to 300mℓ/ℓ . This represents a preferred quantity of alcohol per liter of additive, but may be increased or decreased, depending on the quantities of the other ingredients which are to be added.For the liquid hydrocarbon material the preferred quantity may range from 50mℓ/ℓ to 400mℓ/ℓ, and for the surface active agent from 50mℓ/ℓ and to 300mℓ/ℓ. The quantity of water is usually sufficient to allow the organo germanium oxide to be dissolved in the water. It may depend upon the quantity of the organic germanium, but usually ranges between 5mℓ/ℓand 20mℓ/ℓ.
- The alcohols are added to increase the affinity of the mixture with the organo germanium. The liquid hydrocarbon material is added to facilitate the admixture of the additive of the invention with the fuel. The surface active agent is provided to improve the diffusion of the accelerator throughout the fuel, thereby allowing it to be mixed with the fuel rapidly and uniformly. The amount of the additive actually to be used depends upon the kind or nature of the fuel. Usually the value of 100 ppm to 1000 ppm provides a satisfactory effect.For gasoline (petrol) to be used in a gasoline engine, an amount of approximately 500 ppm provides the desired effect.
- In another respect, therefore, the invention provides a method of increasing the rate of burning leaded or unleaded petrol for an automobile characterised in that it involves the essential step of adding to the petrol from 100 to 1000 ppm of the additive as described above.
- In yet another aspect the invention provides a method of manufacture of such an additive characterised in that (a) the organogermanium oxide is dissolved in the water (b) the alcohol or alcohols are added and mixed and (c) the liquid hydrocarbon material and surface active agent are added and uniformly mixed.
- The organo germanium used in the present invention appears to contribute to reducing the fuel oil particles into finer particles, and thus increases the contact area between the fuel particles and oxygen. The active oxygen contained in the organo germanium appears to lower the flash or firing point of the fuel,thereby accelerating the burning rate.The additive can also improve the rates of atomizing, vaporization, and diffusion of the fuel.
- The organo germanium oxide in the additive according to the present invention is easily dissolved in the water, and the resultant solution can uniformly diffuse throughout liquid hydrocarbon material without risk of segregation.
- 100 mg of organo germanium oxide is dissolved in 10mℓ of water, and 770mℓ of alcohol (20% v/v of methyl alchol and 80% of ethyl alcohol) is added to the resultant solution while it is being stirred. A uniform mixture is obtained. Then, 100mℓ of petrol and 100mℓ of a surface active agent are gradually added to that uniform mixture with stirring. The result is an additive according to the present invention, in an amount of 1000mℓ.
- When 500 ppm of the additive is added to petrol it increases the burning efficiency of 5% to 10%. Output of an internal combustion engine can be increased by about 10%.
- Although it is intrinsically difficult to mix an organo germanium oxide with liquid hydrocarbon materials uniformly, the present invention provides for easy admixture. The additive incorporating the uniform mixture of the organo oxide can rapidly diffuse throughout the fuel whatever its quantity may be.
- Additive: 500 ppm is added.
Fuel oil: Gas oil No. 1 offered by Esso Oil.
Calorie of 10,800: specific gravity of 0.8326.
Engine: Model 6BD offered by Isuzu Motors Co.
Capacity of 5785 c.c
Output of 85ps/2100 rpm
Maximum torque of 31 kgm/1500 rpm
Test mode: conforms with JIS-D-1005 - The test results are as follows:
- (1) Maximum torque: 32 kgm/1500 rpm, on which additive is used
32 kgm/1500 rpm, on which additive is not used; - (2) Output: 84.8ps/2098 rpm,on which additive is used;
83 ps/2107 rpm, on which additive is used; - (3) Fuel consumption during 50 hrs continuous running:
12.88ℓ/h, on which additive is used; 12.12ℓ/h, on which additive is not used. - The following tables are presented to show the results of the actual testing for the paticular car on which the additive of the invention is used.
- Date of Testing: Oct. 28, 1985; Weather: clear; Test House: Nippon Jidousha Yuso Gijutu Kyoukai
-
- The above test results demonstrates that the additive according to the present invention is effective in terms of the maximum torque, output and fuel oil consumption. Adding the additive cleans the combustion chamber, and reduces the solid deposits there.
- Although the present invention has been described with reference to the typical example, it should be understood that various changes and modifications may be made within the scope of the invention.
Claims (12)
1. Additive for increasing the rate of burning of a liquid hydrocarbon material characterised by comprising a uniform mixture of a solution in water of an organo-germanium oxide, at least one liquid alcohol, and liquid hydrocarbon material together with a surface active agent.
2. An additive as claimed in claim 1 characterised in that the liquid hydrocarbon material is leaded or unleaded petrol for an automobile.
3. An additive as claimed in claim 1or 2 chararacterised in that the alcohol is at least one C₁ to C₆ alkanol.
4. An additive as claimed in claim 1, 2 or 3 characterised in that the alcohol is a mixture of a major proportion of ethanol and a minor proportion of methanol.
5. An additive as claimed in any one preceding claim characterised in that from 1 to 1000 mg of the organogermanium oxide is present per litre of additive.
6. An additive as claimed in claim 5 characterised in that from 50 to 500 mg of the organogermanium oxide is present per litre of additive.
7. An additive as claimed in any one preceding claim characterised in that from 300 to 900mℓ of alcohol are present per litre of additive.
8. An additive as claimed in any one preceding claim characterised in that from 50 to 400mg of liquid hydrocarbon material are present per litre of additive.
9. An additive as claimed in any one preceding claim characterised in that from 50 to 300 mg of surface active agent is present per litre of additive.
10. An additive as claimed in any one preceding claim characterised in that from 5 t 20 mℓ of water is present per litre of additive.
11. A method of increasing the rate of burning of leaded or unleaded petrol for an automobile characterised in that it involves the essential step of adding to the petrol from 100 to 1000ppm of the additive as claimed in any one of claims 1 to 10.
12. A method of manufacturing an additive as claimed in claims 1 to 10 characterised in that (a) the organogermanium oxide is dissolved in the water (b) the alcohol or alcohols are added and mixed and (c) the liquid hydrocarbon material and surface active agent are added and uniformly mixed.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP86301887A EP0237658A1 (en) | 1986-03-14 | 1986-03-14 | An additive for increasing the rate of burning of a liquid hydrocarbon material, and a method for its manufacture |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP86301887A EP0237658A1 (en) | 1986-03-14 | 1986-03-14 | An additive for increasing the rate of burning of a liquid hydrocarbon material, and a method for its manufacture |
Publications (1)
Publication Number | Publication Date |
---|---|
EP0237658A1 true EP0237658A1 (en) | 1987-09-23 |
Family
ID=8195933
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP86301887A Withdrawn EP0237658A1 (en) | 1986-03-14 | 1986-03-14 | An additive for increasing the rate of burning of a liquid hydrocarbon material, and a method for its manufacture |
Country Status (1)
Country | Link |
---|---|
EP (1) | EP0237658A1 (en) |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3006142A (en) * | 1959-12-21 | 1961-10-31 | Phillips Petroleum Co | Jet engine combustion processes |
US3491133A (en) * | 1964-03-06 | 1970-01-20 | Cities Service Res & Dev Co | Metal organo phosphates and amine salts thereof |
GB1237581A (en) * | 1968-05-17 | 1971-06-30 | Mobil Oil Corp | Coordinated complexes of nitrogenous compounds |
FR2241610A1 (en) * | 1973-08-22 | 1975-03-21 | Svenka Utvecklingsaktiebolaget | Hydrocarbon fuels contg. water in micro-emulsion form - and soluble inorganic salts to increase octane ratings |
FR2364260A1 (en) * | 1976-09-08 | 1978-04-07 | Ciba Geigy Ag | COMPLEX COMBINATIONS, PROCESS FOR PREPARING THESE COMBINATIONS AND USE OF THESE COMBINATIONS |
-
1986
- 1986-03-14 EP EP86301887A patent/EP0237658A1/en not_active Withdrawn
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3006142A (en) * | 1959-12-21 | 1961-10-31 | Phillips Petroleum Co | Jet engine combustion processes |
US3491133A (en) * | 1964-03-06 | 1970-01-20 | Cities Service Res & Dev Co | Metal organo phosphates and amine salts thereof |
GB1237581A (en) * | 1968-05-17 | 1971-06-30 | Mobil Oil Corp | Coordinated complexes of nitrogenous compounds |
FR2241610A1 (en) * | 1973-08-22 | 1975-03-21 | Svenka Utvecklingsaktiebolaget | Hydrocarbon fuels contg. water in micro-emulsion form - and soluble inorganic salts to increase octane ratings |
FR2364260A1 (en) * | 1976-09-08 | 1978-04-07 | Ciba Geigy Ag | COMPLEX COMBINATIONS, PROCESS FOR PREPARING THESE COMBINATIONS AND USE OF THESE COMBINATIONS |
Non-Patent Citations (2)
Title |
---|
PATENTS ABSTRACTS OF JAPAN, vol. 5, no. 148 (C-72)[820], 18th September 1981; & JP-A-56 81 393 (NOBORU HIGASHIDE) 03-07-1981 * |
PATENTS ABSTRACTS OF JAPAN, vol. 9, no. 192 (C-296)[1915], 8th August 1985; & JP-A-60 63 288 (KITAMURA GOUKIN SEISAKUSHO K.K.) 11-04-1985 * |
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