JPH08156751A - Medical fluid diluting method and automatic medical fluid diluting device - Google Patents
Medical fluid diluting method and automatic medical fluid diluting deviceInfo
- Publication number
- JPH08156751A JPH08156751A JP30367694A JP30367694A JPH08156751A JP H08156751 A JPH08156751 A JP H08156751A JP 30367694 A JP30367694 A JP 30367694A JP 30367694 A JP30367694 A JP 30367694A JP H08156751 A JPH08156751 A JP H08156751A
- Authority
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- Prior art keywords
- ejector
- tank
- medical fluid
- separator
- chemical liquid
- Prior art date
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- Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)
- Nozzles (AREA)
- Domestic Plumbing Installations (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は水に対する薬液の混合希
釈方法及びその混合希釈装置に係り、詳しくは門型洗車
機やその他の水噴射装置を有する機械装置において、噴
射水に薬液を混合するのに利用できる混合希釈方法及び
その混合希釈装置に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for mixing and diluting a chemical liquid with respect to water and a mixing and diluting device for the chemical liquid. The present invention relates to a mixing and diluting method and a mixing and diluting apparatus therefor.
【０００２】[0002]
【従来の技術】水噴射装置を有する機械装置において、
噴射水に薬液を混合する方法として図４及び図５に示す
方式（実開平６−３２２３６号公報）が今日採用されて
いる。先ず、図４に示す方式は希釈ポリタンク方式と呼
ばれるもので、手作業にて水と薬液を混合して所定の濃
度の希釈液を作り、それを適量使用する方式で、ポリタ
ンク15に収容した希釈液を、ポンプ16と噴射ノズルの水
配管途中に介在接続したエジェクタ17で吸い上げて本流
の水と混合する方式である。又、図５に示す方式は前記
した手作業にて水と薬液を混合して所定の濃度の希釈液
を作る希釈作業を自動化した方式で、薬液（原液）が収
容されたタンク18から薬液を希釈ポンプ19で吸い上げる
と共に、本流の水配管Ａ′から分岐させて希釈用の水を
該希釈ポンプに導入して希釈液を自動的に作り、その希
釈液は希釈タンク20に収容される。そして、その希釈タ
ンク内の希釈液は前記した図４の方式と同じ方式で水配
管途中のエジェクタ21にて吸い上げられて本流の水と混
合される。2. Description of the Related Art In a mechanical device having a water jet device,
The method shown in FIGS. 4 and 5 (Jpn. Pat. Appln. KOKAI No. 6-32236) has been adopted today as a method of mixing a chemical liquid with jet water. First, the method shown in FIG. 4 is called a dilution polytank method, in which water and a chemical solution are manually mixed to prepare a diluted solution of a predetermined concentration, and an appropriate amount of the diluted solution is used to store the diluted solution in a polytank 15. This is a method in which the liquid is sucked up by an ejector 17 connected in the middle of the water pipe of the pump 16 and the injection nozzle and mixed with mainstream water. In addition, the system shown in FIG. 5 is a system in which the diluting work of mixing the water and the chemical liquid by hand to make a dilute liquid of a predetermined concentration is automated, and the chemical liquid is stored in the tank 18 containing the chemical liquid (stock solution). The liquid is sucked up by the dilution pump 19 and is branched from the main water pipe A'to introduce the water for dilution into the dilution pump to automatically prepare the dilution liquid, and the dilution liquid is stored in the dilution tank 20. Then, the diluting liquid in the diluting tank is sucked up by the ejector 21 in the middle of the water pipe and mixed with the mainstream water by the same method as that shown in FIG.
【０００３】[0003]
【発明が解決しようとする課題】ところで、上記した従
来の混合方式は、前者においては手作業による希釈作業
が面倒で、しかも最近の薬液技術の向上により濃度の高
い薬液が開発されるようになったが、水用エジェクタの
性能（本流の水量と、混合される薬液量の比）に限界が
あり、微量の薬液を混合させることができないという問
題点を有する。又、水用エジェクタが故障すると、本流
の水が希釈タンクに逆流するトラブルが生じるという問
題点がある。後者の方式においても、前者の場合と同
様、水用エジェクタが故障すると、本流の水が希釈タン
クに逆流するトラブルが発生すると共に、薬液（原液）
タンクの他に別途希釈タンクの設置スペースが必要とな
り、設置スペースに制約を受ける門型洗車機には装備し
にくいものである。By the way, in the conventional mixing method described above, in the former case, the manual diluting work is troublesome, and the recent improvement of the chemical solution technology allows the development of a highly concentrated chemical solution. However, there is a problem that the performance of the ejector for water (the ratio of the amount of water in the main stream to the amount of the mixed chemical liquid) is limited, and a minute amount of the chemical liquid cannot be mixed. In addition, if the water ejector fails, there is a problem that the mainstream water flows back into the dilution tank. In the latter method, as in the former case, if the water ejector fails, the main water will flow back into the dilution tank and the chemical solution (stock solution) will occur.
In addition to the tank, a separate diluting tank installation space is required, which is difficult to install in a gate-type car wash machine where the installation space is restricted.
【０００４】即ち、上記した従来の技術は希釈タンク内
の希釈液を本流の水に混合する場合、本流の水配管途中
に接続した水用エジェクタで希釈液を吸い上げ混合する
ため、上記したような問題点を有する。That is, according to the above-mentioned conventional technique, when the diluting liquid in the diluting tank is mixed with the mainstream water, the diluting liquid is sucked up and mixed by the water ejector connected in the middle of the mainstream water pipe. I have a problem.
【０００５】本発明は上記した従来の技術が有する問題
点に鑑みてなされたもので、その目的とするところは、
本流の水配管の条件に影響されることなく薬液を安定し
て、しかも微量の薬液でも混合希釈することができる混
合希釈方法及び混合希釈装置を提供することにある。The present invention has been made in view of the above-mentioned problems of the prior art, and the purpose thereof is to:
An object of the present invention is to provide a mixing and diluting method and a mixing and diluting device capable of stably diluting a chemical liquid without being affected by the conditions of the mainstream water piping and further diluting and mixing even a small amount of the chemical liquid.
【０００６】[0006]
【課題を解決するための手段】上記の目的を達成する為
に本発明が講じた技術的手段は、薬液の吸い込みを本流
の水配管途中に設けた水エジェクタと別系統の配管と
し、本流の条件に影響を受けることがないようにしたこ
とを特徴とする。即ち、その希釈方法は本流の水配管系
とは別系統でタンクに収容された薬液の吸い込みを行
い、その吸い上げた薬液を、本流の水配管系に滴下混合
して希釈することを特徴とする。Means for Solving the Problems The technical means taken by the present invention in order to achieve the above-mentioned object is that the suction of the chemical liquid is a pipe of a different system from the water ejector provided in the middle of the main water pipe, The feature is that it is not affected by the conditions. That is, the diluting method is characterized in that the chemical liquid stored in the tank is sucked in by a system different from the main water pipe system, and the sucked chemical liquid is dropped and mixed into the main water pipe system for dilution. .
【０００７】又、上記した方法を実施する装置は、薬液
を収容したタンクに薬液吸込み用エジェクタを配管接続
し、その薬液吸込み用エジェクタの吐出側に分離器を接
続し、更にその分離器の吐出側をチェック弁を介して、
本流の水配管途中に接続された薬液混合用エジェクタに
接続したことを特徴とする。上記の薬液吸込み用エジェ
クタとしてはエアー式エジェクタ、水用エジェクタ、或
いは一般的なポンプを採用することができ、エアー式エ
ジェクタ、及びポンプを使用した場合は分離器の排気側
をタンクに配管接続する。尚、薬液吸込み用エジェクタ
として水用エジェクタを用いた場合は、分離器の排気は
大気中に開放する。In the apparatus for carrying out the above-mentioned method, the ejector for sucking the chemical liquid is connected to the tank containing the chemical liquid by piping, the separator is connected to the discharge side of the ejector for sucking the chemical liquid, and the ejector of the separator is further discharged. Side through check valve,
It is characterized in that it is connected to a chemical liquid mixing ejector which is connected in the middle of the main water pipe. An air ejector, a water ejector, or a general pump can be adopted as the above-mentioned chemical liquid suction ejector, and when the air ejector and the pump are used, the exhaust side of the separator is connected to the tank by piping. . When a water ejector is used as the chemical liquid suction ejector, the exhaust of the separator is opened to the atmosphere.
【０００８】[0008]
【作用】上記の手段によれば、本流とは別系統で薬液の
吸い込みを行うので、本流の条件に影響されることな
く、安定した薬液の供給が可能となる。According to the above-mentioned means, since the chemical solution is sucked into the system different from the main stream, it is possible to stably supply the chemical solution without being affected by the conditions of the main stream.
【０００９】[0009]
【実施例】以下、本発明の実施例を図面に基づき説明す
る。図１は薬液吸込み用エジェクタとしてエアー式エジ
ェクタを用いた希釈装置を示し、図中、１は薬液（原
液）を収容したタンクで、そのタンク１にエアー源９に
配管接続されたエアー式エジェクタ２が吸込み管３を介
して接続され、負圧によってタンク内の薬液がエジェク
タ２に吸い上げられるようになっている。そして、その
エアー式エジェクタ２の吐出側には分離器４が接続さ
れ、分離器４の吐出側4aは本流の水配管Ａの途中に接続
した薬液混合用エジェクタ５にチェック弁６を介して接
続し、分離器４の排気側4bには排気管７を接続してその
排気管７を前記した薬液のタンク１に連通配管する。
尚、エアー源９と薬液吸込み用エジェクタ２との配管途
中にはエアーの供給量を調整するレギュレータ８が設け
られ、そのレギュレータ８の調整によって薬液の吸込み
量を調節し得るようになっている。Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 shows a diluting device using an air ejector as an ejector for sucking a chemical liquid. In the figure, reference numeral 1 is a tank containing a chemical liquid (stock solution), and an air ejector 2 pipe-connected to an air source 9 in the tank 1. Are connected via a suction pipe 3, and the chemical liquid in the tank is sucked up by the ejector 2 by negative pressure. The separator 4 is connected to the discharge side of the air ejector 2, and the discharge side 4a of the separator 4 is connected to a chemical liquid mixing ejector 5 connected in the middle of the main water pipe A via a check valve 6. Then, an exhaust pipe 7 is connected to the exhaust side 4b of the separator 4, and the exhaust pipe 7 is connected to the chemical solution tank 1 described above.
A regulator 8 for adjusting the supply amount of air is provided in the middle of the piping between the air source 9 and the ejector 2 for sucking the chemical liquid, and the suction amount of the chemical liquid can be adjusted by adjusting the regulator 8.
【００１０】エアー式エジェクタ２の吐出側に接続する
分離器４は、吐出側4aを鉛直方向下向きにし、排気側4b
を上に向けて取り付け、エアー式エジェクタ２によって
吸い込んだエアーとの混合液を該分離器の内壁に衝突さ
せると、エアーより重い液体のみが下に滴下してエアー
と液体（薬液）との分離が行われ、液体は吐出側4aから
チェック弁６へ滴下され、霧を含んだエアーは排気側4b
から排気管７を介してタンク１内に排気される。尚、分
離器４と薬液混合用エジェクタ５との間に介在するチェ
ック弁６は、本流の水配管Ａにトラブルが発生した時、
本流の水が分離器４、エアー式エジェクタ２を通ってタ
ンク１に逆流するのを防止するものである。The separator 4 connected to the discharge side of the air ejector 2 has its discharge side 4a oriented vertically downward and its exhaust side 4b.
When the mixed liquid with the air sucked by the air ejector 2 is made to collide with the inner wall of the separator, only the liquid heavier than the air drops downward to separate the air and the liquid (chemical liquid). The liquid is dropped from the discharge side 4a to the check valve 6, and the air containing mist is discharged to the exhaust side 4b.
Is exhausted into the tank 1 through the exhaust pipe 7. The check valve 6 interposed between the separator 4 and the chemical liquid mixing ejector 5 is used when a trouble occurs in the main water pipe A.
The main stream of water is prevented from flowing back into the tank 1 through the separator 4 and the air ejector 2.
【００１１】図２はタンク１から薬液を吸込む手段のエ
ジェクタをポンプとした実施例で、前示実施例に示した
部材と同じ部材は同一の符号を付し説明を省略する。そ
の構成は、タンク１に接続した吸込み管10の途中にポン
プ11を接続し、そのポンプ11の吐出側を分離器４に接続
し、分離器４の排気側4bは前示実施例同様、排気管７を
介してタンク１に接続する。尚、分離器４の排気側4bと
タンク１とを連絡する排気管７は、大気開放とトラブル
時に薬液が飛散するのを防止するものである。FIG. 2 shows an embodiment in which a pump is used as the ejector of the means for sucking the chemical liquid from the tank 1. The same members as those shown in the previous embodiment are designated by the same reference numerals, and the description thereof will be omitted. The structure is such that a pump 11 is connected in the middle of the suction pipe 10 connected to the tank 1, the discharge side of the pump 11 is connected to the separator 4, and the exhaust side 4b of the separator 4 is exhausted as in the previous embodiment. It is connected to the tank 1 via a pipe 7. The exhaust pipe 7 that connects the exhaust side 4b of the separator 4 and the tank 1 prevents the chemical solution from scattering when the atmosphere is opened and trouble occurs.
【００１２】図３に示す実施例はタンク１から薬液を吸
込む手段のエジェクタを水用エジェクタとしてもので、
本流の水配管Ａを分岐した分岐管12に水用エジェクタ13
を接続し、その水用エジェクタ13に吸込み管14を接続し
てタンク１に連絡させ、且つその水用エジェクタ14の吐
出側は前示実施例と同じように分離器４に接続する。
尚、薬液混合用エジェクタ５の吸込み能力は、薬液吸込
み用エジェクタ13の吐出量より大とし、それにより本流
に比べて微量の薬液の混合が可能としてある。又、分離
器４の排気側は大気開放としてある。In the embodiment shown in FIG. 3, the ejector of the means for sucking the chemical solution from the tank 1 is a water ejector.
A water ejector 13 is attached to a branch pipe 12 that branches off the main water pipe A.
And the suction pipe 14 is connected to the water ejector 13 to communicate with the tank 1, and the discharge side of the water ejector 14 is connected to the separator 4 in the same manner as in the embodiment shown above.
The suction capacity of the chemical liquid mixing ejector 5 is set to be larger than the discharge amount of the chemical liquid suction ejector 13, so that a small amount of chemical liquid can be mixed as compared with the main stream. The exhaust side of the separator 4 is open to the atmosphere.
【００１３】上記の方法により、面倒な希釈作業が不要
となり、しかも本流とは別系統で薬液の吸込みを行うた
め、本流の条件に影響されることなく、安定した薬液供
給が可能で、且つ微量の薬液供給が可能となる。即ち、
薬液の吸込み量の調整が容易にできると共に、薬液の供
給を休止する制御も可能となる。従って、濃度の高い薬
液にも十分対応できる希釈方法及び装置を提供できる。
特に、希釈液を水用エジェクタで吸込んで混合する希釈
タンク方式（図４の方式）と比較して、希釈作業が不要
になり、タンク容量も小さくて済むという利点を有す
る。又、従来の自動希釈方式（図５の方式）と比べ、装
置がコストダウンでき、装置の小型化（省スペース）を
計れるという利点を有する。According to the above method, a troublesome dilution work is unnecessary, and since the chemical solution is sucked in by a system different from the main stream, stable chemical solution can be supplied without being affected by the conditions of the main stream, and a minute amount can be obtained. It becomes possible to supply the liquid medicine. That is,
It is possible to easily adjust the suction amount of the chemical liquid and control the supply of the chemical liquid to be stopped. Therefore, it is possible to provide a diluting method and apparatus that can sufficiently cope with a highly concentrated chemical solution.
In particular, as compared with the dilution tank method (method of FIG. 4) in which the diluting liquid is sucked and mixed by the water ejector, there is an advantage that the diluting work is unnecessary and the tank capacity is small. Further, as compared with the conventional automatic dilution method (method of FIG. 5), there are advantages that the cost of the apparatus can be reduced and the apparatus can be downsized (space saving).
【００１４】[0014]
【発明の効果】本発明の薬液希釈方法は請求項１に示す
方法により、本流の条件に影響されることなく、安定し
た薬液供給が可能で、しかも微量の薬液を供給混合する
ことが出来る。そして、薬液の吸込み系統と、水への注
入系統が分離しているので、本流の水が薬液タンクに逆
流するのを防止することができる。又、薬液の吸込み量
の調整が容易にでき、且つ薬液のみの休止制御が可能と
なる。According to the method for diluting a chemical solution of the present invention, the method according to the first aspect enables stable chemical solution supply without being affected by the conditions of the mainstream, and moreover a minute quantity of chemical solution can be supplied and mixed. Further, since the system for sucking the chemical solution and the system for injecting water are separated, it is possible to prevent the mainstream water from flowing back into the chemical tank. In addition, it is possible to easily adjust the suction amount of the chemical liquid and to control the suspension of the chemical liquid only.
【００１５】そして、上記の方法を実施する装置を請求
項２に示すように構成したことにより、タンク容量は小
容量のものが１個でよいため、装置全体を安価で小型化
でき、設置スペースに制約がある門型洗車機やその他の
水噴射装置を有する機械装置に最適な装置を提供でき
る。By constructing the apparatus for carrying out the above method as set forth in claim 2, the tank capacity need only be one with a small capacity, so that the apparatus as a whole can be inexpensively downsized and the installation space can be reduced. It is possible to provide an optimum device for a gate-type car wash machine or other mechanical device having a water injection device, which has a restriction on the above.
【図１】本発明に係る薬液希釈装置の一実施例を示す説
明図である。FIG. 1 is an explanatory diagram showing an embodiment of a chemical diluting device according to the present invention.
【図２】本発明の他の実施例を示す説明図である。FIG. 2 is an explanatory diagram showing another embodiment of the present invention.
【図３】本発明の更に他の実施例を示す説明図である。FIG. 3 is an explanatory diagram showing still another embodiment of the present invention.
【図４】従来の希釈タンク方式を示す説明図である。FIG. 4 is an explanatory diagram showing a conventional dilution tank system.
【図５】従来の自動希釈方式を示す説明図である。FIG. 5 is an explanatory diagram showing a conventional automatic dilution method.
１…薬液のタンク ２，11，13…薬液吸込み用エ
ジェクタ ４…分離器 ５…薬液混合用エジ
ェクタ ６…チェック弁 Ａ…本流の水配管1 ... Tank for chemical liquid 2, 11, 13 ... Ejector for sucking chemical liquid 4 ... Separator 5 ... Ejector for mixing chemical liquid 6 ... Check valve A ... Main water pipe
Claims (5)
容された薬液の吸い込みを行い、その吸い上げた薬液
を、本流の水配管系に滴下混合して希釈することを特徴
とする薬液の希釈方法。1. A drug solution characterized in that a drug solution contained in a tank is sucked in by a system different from the main water pipe system, and the sucked drug solution is dropped and mixed into the main water pipe system for dilution. Dilution method.
ジェクタを配管接続し、その薬液吸込み用エジェクタの
吐出側に分離器を接続し、更にその分離器の吐出側をチ
ェック弁を介して本流の水配管途中に接続された薬液混
合用エジェクタに接続したことを特徴とする薬液自動希
釈装置。2. A chemical liquid suction ejector is connected to a tank containing a chemical liquid by piping, a separator is connected to the discharge side of the chemical liquid suction ejector, and the discharge side of the separator is connected to a main valve through a check valve. An automatic chemical solution diluting device, which is connected to a chemical solution mixing ejector connected in the middle of a water pipe.
式エジェクタとし、分離器の排気側をタンクに配管接続
した請求項２記載の薬液自動希釈装置。3. The automatic chemical diluting device according to claim 2, wherein the ejector for sucking the chemical liquid is an air ejector, and the exhaust side of the separator is connected to a tank by piping.
ジェクタとして、ポンプと薬液混合用エジェクタとの管
路に接続配管し、分離器の排気側を大気中に開放した請
求項２記載の薬液自動希釈装置。4. The automatic chemical liquid ejector according to claim 2, wherein the ejector for sucking the chemical liquid is used as a water ejector and is connected to a pipe line between the pump and the ejector for mixing the chemical liquid, and the exhaust side of the separator is opened to the atmosphere. Dilutor.
とし、分離器の排気側をタンクに配管接続した請求項２
記載の薬液自動希釈装置。5. The chemical liquid suction ejector is used as a pump, and the exhaust side of the separator is connected to a tank by piping.
The automatic chemical solution diluting device described.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP30367694A JP3462283B2 (en) | 1994-12-07 | 1994-12-07 | Automatic chemical liquid dilution device for car washer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP30367694A JP3462283B2 (en) | 1994-12-07 | 1994-12-07 | Automatic chemical liquid dilution device for car washer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH08156751A true JPH08156751A (en) | 1996-06-18 |
| JP3462283B2 JP3462283B2 (en) | 2003-11-05 |
Family
ID=17923898
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP30367694A Expired - Fee Related JP3462283B2 (en) | 1994-12-07 | 1994-12-07 | Automatic chemical liquid dilution device for car washer |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3462283B2 (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1999009265A1 (en) * | 1997-08-15 | 1999-02-25 | Toto Ltd. | Cleaning water discharge apparatus |
| WO2009004744A1 (en) * | 2007-07-04 | 2009-01-08 | Ga-Rew Corporation | Fluid jet gun |
| JP2009096271A (en) * | 2007-10-16 | 2009-05-07 | Daifuku Co Ltd | Car washing machine |
| JP2009257022A (en) * | 2008-04-18 | 2009-11-05 | Panasonic Electric Works Co Ltd | Wash water discharge apparatus |
| JP2009257021A (en) * | 2008-04-18 | 2009-11-05 | Panasonic Electric Works Co Ltd | Wash water discharge apparatus |
| CN102209593A (en) * | 2008-09-09 | 2011-10-05 | 水源集团公司 | Sprayer |
| JP2016155132A (en) * | 2016-05-10 | 2016-09-01 | ヤンマー産業株式会社 | Nozzle |
| DE112012002715B4 (en) | 2011-06-30 | 2018-07-19 | Kotobuki Tsushou Co., Ltd. | Liquid material mixing and spraying device |
-
1994
- 1994-12-07 JP JP30367694A patent/JP3462283B2/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1999009265A1 (en) * | 1997-08-15 | 1999-02-25 | Toto Ltd. | Cleaning water discharge apparatus |
| WO2009004744A1 (en) * | 2007-07-04 | 2009-01-08 | Ga-Rew Corporation | Fluid jet gun |
| JPWO2009004744A1 (en) * | 2007-07-04 | 2010-08-26 | 有限会社ガリュー | Fluid ejection gun |
| JP5020320B2 (en) * | 2007-07-04 | 2012-09-05 | 有限会社ガリュー | Fluid ejection gun |
| US8353467B2 (en) | 2007-07-04 | 2013-01-15 | Ga-Rew Corporation | Fluid spraying gun |
| JP2009096271A (en) * | 2007-10-16 | 2009-05-07 | Daifuku Co Ltd | Car washing machine |
| JP2009257022A (en) * | 2008-04-18 | 2009-11-05 | Panasonic Electric Works Co Ltd | Wash water discharge apparatus |
| JP2009257021A (en) * | 2008-04-18 | 2009-11-05 | Panasonic Electric Works Co Ltd | Wash water discharge apparatus |
| CN102209593A (en) * | 2008-09-09 | 2011-10-05 | 水源集团公司 | Sprayer |
| CN104971837A (en) * | 2008-09-09 | 2015-10-14 | 水源集团公司 | Sprayer |
| DE112012002715B4 (en) | 2011-06-30 | 2018-07-19 | Kotobuki Tsushou Co., Ltd. | Liquid material mixing and spraying device |
| JP2016155132A (en) * | 2016-05-10 | 2016-09-01 | ヤンマー産業株式会社 | Nozzle |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3462283B2 (en) | 2003-11-05 |
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