JP3264575B2 - Container for storing goods - Google Patents
Container for storing goodsInfo
- Publication number
- JP3264575B2 JP3264575B2 JP01964194A JP1964194A JP3264575B2 JP 3264575 B2 JP3264575 B2 JP 3264575B2 JP 01964194 A JP01964194 A JP 01964194A JP 1964194 A JP1964194 A JP 1964194A JP 3264575 B2 JP3264575 B2 JP 3264575B2
- Authority
- JP
- Japan
- Prior art keywords
- container
- oxygen
- film
- containing film
- article
- 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 - Fee Related
Links
Landscapes
- Wrappers (AREA)
- General Preparation And Processing Of Foods (AREA)
- Laminated Bodies (AREA)
Description
【０００１】[0001]
【産業上の利用分野】本発明は、抗菌性と酸素吸収性の
能力を有する物品保存用容器に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an article storage container having an antibacterial property and an oxygen absorbing ability.
【０００２】[0002]
【従来の技術】易剥離性フィルムをシーラントとして構
成化した易開封性包装は、食品を密封包装してから使用
する際には、人間の手の力にてヒートシール部を剥離し
て開封がなされる便利性のために、特に、食品包装のう
ち、カップ，トレー等のプラスチック成形容器にて、ア
セプティックおよびボイル，レトルト等の加熱殺菌分野
において広く利用されている。2. Description of the Related Art In an easy-open package comprising an easily peelable film as a sealant, when a food is hermetically sealed and then used, the heat-sealed portion is peeled off with the power of a human hand to be opened. Due to the convenience to be achieved, it is widely used in the field of heat sterilization such as aseptic and boil and retort in plastic molded containers such as cups and trays in food packaging.
【０００３】そして、食品および包材の殺菌処理によ
り、無菌および無菌化状態にて長い期間の賞味期間を得
るためには、更に、食品に対する包装内の酸素または包
装の外からの酸素の影響および残存する有害菌を抑制す
る必要がある。したがって、ガスバリア性に優れるフィ
ルムまたは金属箔、例えば、塩化ビニリデン（系）フィ
ルム，エチレンビニルアルコール（系）フィルム，アル
ミ箔，金属または無機質蒸着物等が多用されている。[0003] In order to obtain a long shelf life under aseptic and aseptic conditions by sterilizing food and packaging materials, furthermore, the influence of oxygen in the package or oxygen from outside of the package on the food must be improved. It is necessary to control the remaining harmful bacteria. Therefore, films or metal foils having excellent gas barrier properties, for example, vinylidene chloride (based) films, ethylene vinyl alcohol (based) films, aluminum foils, metal or inorganic deposits, and the like are frequently used.
【０００４】しかし、従来の構成では、外部からの酸素
は遮断できても、包装内の酸素は除去できないことと、
または、包装内に残存する有害菌の増殖を抑えることが
できなかった。However, in the conventional configuration, it is possible to cut off oxygen from the outside but not remove oxygen from the package.
Alternatively, the growth of harmful bacteria remaining in the packaging could not be suppressed.
【０００５】[0005]
【発明が解決しようとする課題】本発明は、上述の事情
にかんがみなされたものであり、その目的とするところ
抗菌性と酸素吸収性を有する物品保存用容器を提供する
ことにある。SUMMARY OF THE INVENTION The present invention has been made in view of the above circumstances, and has as its object to provide a container for storing articles having antibacterial properties and oxygen absorption.
【０００６】[0006]
【課題を解決するための手段】本発明者は、前記した問
題点を解決すべく鋭意研究した結果、易剥離性フィルム
成形材料中に抗菌性物質を含有せしめ、該隣接層または
上部層に酸素吸収剤を含有せしめることにより本発明を
完成するに至った。Means for Solving the Problems As a result of intensive studies to solve the above-mentioned problems, the present inventors have found that an antibacterial substance is contained in the easily peelable film molding material, and oxygen is added to the adjacent layer or the upper layer. The present invention has been completed by incorporating an absorbent.
【０００７】すなわち、本発明の物品保存用容器は、抗
菌性物質含有フィルムと、酸素吸収剤含有フィルムとを
積層して複層からなる易剥離性フィルムを成形し、該易
剥離性フィルムにより前記抗菌性物質含有フィルムが内
層となるように、かつ、前記酸素吸収剤含有フィルムが
外部に位置するように物品を包装する容器を作成して、
前記容器内へ前記物品が前記抗菌性物質含有フィルムへ
接触するように収容して密封包装してなり、前記容器内
において、前記抗菌性物質含有フィルムに含有させた抗
菌性物質により前記物品に対して抗菌性を発揮させ、前
記容器の外層に位置する前記酸素吸収剤含有フィルムに
含浸させた酸素吸収剤により、前記容器内の酸素を吸収
させると共に、前記容器外部から該容器内部へ侵入しよ
うとする酸素を吸収させて、前記物品の変敗と物品の酸
素の影響を防止する構成にある。[0007] That is, the article storage container of the present invention is formed by laminating an antimicrobial substance-containing film and an oxygen absorbent-containing film to form a multi-layer easily peelable film. As the antimicrobial substance-containing film becomes the inner layer, and to create a container for packaging the article so that the oxygen absorbent-containing film is located outside,
The article is accommodated in the container so as to be in contact with the antibacterial substance-containing film and hermetically sealed and packaged.In the container, the article is treated with the antibacterial substance contained in the antibacterial substance-containing film. With the oxygen absorbent impregnated in the oxygen-absorbing agent-containing film located in the outer layer of the container, the agent absorbs oxygen in the container and attempts to enter the inside of the container from outside the container. The present invention has a configuration in which oxygen which is absorbed is absorbed to prevent deterioration of the article and the influence of oxygen of the article.
【０００８】[0008]
【作用】前記したように構成される本発明の物品保存用
容器は、以下に述べる作用を奏する。抗菌性物質含有フ
ィルムと、酸素吸収剤含有フィルムとを複層状に積層さ
せた構成により、例えば、これを容器に用いた場合、内
容物である物品に接触する側に抗菌性物質含有フィルム
を対応させると、該物品に対する抗菌性が発揮され、ま
た、物品との非接触側層に酸素吸収剤含有フィルムを対
応させると、容器外部からの内部への酸素侵入を遮断さ
せることができ、食品の変敗の主原因となる微生物の有
害菌および酸素の影響を抑える。The article storage container of the present invention configured as described above has the following effects. Antimicrobial substance-containing film and oxygen absorbent-containing film are laminated in a multi-layered configuration.For example, when this is used for a container, the antimicrobial substance-containing film corresponds to the side that comes into contact with the article that is the content. When this is done, the antibacterial property of the article is exhibited, and when the oxygen absorbent-containing film is made to correspond to the non-contact side layer with the article, it is possible to block oxygen from entering the inside from the outside of the container, Reduces the effects of harmful microorganisms and oxygen, which are the main cause of deterioration.
【０００９】[0009]
【実施例】次に、本発明に関する物品保存用容器の一実
施例を図面に基づいて説明する。本発明実施例の物品保
存用容器は、物品を充填・収納した後の密封包装に採用
されるもので、このうち物品は、例えば、日常的に食さ
れる様々な食品や、酸化あるいは有害微生物の繁殖を嫌
うエレクトロニクス製品等の適宜のものが挙げられる。Next, an embodiment of the article storage container according to the present invention will be described with reference to the drawings. The article storage container according to the embodiment of the present invention is used for hermetically sealed packaging after filling and storing the article. Among these, the article is, for example, various foods that are eaten daily, or oxidized or harmful microorganisms. And appropriate products such as electronic products which dislike the reproduction of marine products.
【００１０】そして、図１は、本発明実施例の物品保存
用容器に使用される易剥離性フィルムＦの一実施例を示
す断面図であって、このうち、図１(1a)は、抗菌剤物質
ａが易剥離性成形樹脂ｘの中に分散しているフィルム層
１の隣接層に、酸素吸収剤ｂが熱可塑性樹脂ｙの中に分
散したフィルム層２からなる図を示した。FIG. 1 is a cross-sectional view showing one embodiment of the easily peelable film F used in the container for storing articles according to the embodiment of the present invention, and FIG. The figure shows a film layer 2 in which an oxygen absorbent b is dispersed in a thermoplastic resin y, in a layer adjacent to the film layer 1 in which the agent substance a is dispersed in the easily peelable molding resin x.
【００１１】また、図１(1b)は、前記した二層１，２に
おける中間層に、顔料ｃが熱可塑性樹脂ｚの中へ分散し
たフィルム３が構成されている図を示す。FIG. 1 (1b) shows a diagram in which a film 3 in which a pigment c is dispersed in a thermoplastic resin z is formed in the intermediate layer in the two layers 1 and 2 described above.
【００１２】該中間層に構成するフィルム３の顔料ｃ
は、酸素吸収剤ｂのうち、鉄粉等を分散させた場合に、
フィルム３が黒色化するので、この色を隠蔽するため
に、チタン白等により白色フィルムを配する目的のもの
である。The pigment c of the film 3 constituting the intermediate layer
Is, when iron powder or the like is dispersed in the oxygen absorbent b,
Since the film 3 is blackened, the purpose is to arrange a white film with titanium white or the like in order to hide this color.
【００１３】更に、図１(1c)は、易剥離性フィルム１の
表面層のみに、抗菌性物質ａを配したフィルム層1-1 を
設けたものである。Further, FIG. 1 (1c) shows that the film layer 1-1 having the antibacterial substance a is provided only on the surface layer of the easily peelable film 1.
【００１４】抗菌剤は、銀，銅，錫等の重金属であり、
このうち、特に、銀が抗菌性の点で好ましい。抗菌剤
は、ゼオライト担体の中に含有せしめた状態で使用され
る。易剥離性形成樹脂への抗菌性ゼオライトは、平均粒
子径が0.3 〜６μｍで、10〜300 ｍｇ／ｍ2 程度を目安
とする。The antibacterial agent is a heavy metal such as silver, copper, tin, etc.
Among them, silver is particularly preferable in terms of antibacterial properties. The antibacterial agent is used in a state of being contained in a zeolite carrier. The antibacterial zeolite applied to the easily peelable resin has an average particle diameter of 0.3 to 6 μm and about 10 to 300 mg / m 2 .
【００１５】酸素吸収剤は、鉄粉等の金属粉等，アスコ
ルビン酸およびその塩，鉄粉の場合は、必要に応じてハ
ロゲン化金属を添加してもよい。The oxygen absorbent may be a metal powder such as iron powder, ascorbic acid and salts thereof, and in the case of iron powder, a metal halide may be added as necessary.
【００１６】各層の形成樹脂材料は、共押出ラミネート
時の熱接着性を得るために、同系の熱可塑性樹脂が使用
される。例えば、ボイル，レトルト殺菌等の加熱処理が
行なわれるとか、包装された状態で電子レンジ加熱と
か、湯加温される場合にはポリプロピレン（系）が用い
られる。As the resin material for forming each layer, the same type of thermoplastic resin is used in order to obtain thermal adhesion during co-extrusion lamination. For example, heat treatment such as boiling and retort sterilization is performed, a microwave is heated in a packaged state, and polypropylene (system) is used when heated in hot water.
【００１７】抗菌性を有する易剥離性フィルムの易剥離
性については、目的によって種々の熱可塑性樹脂を配合
することにより得られるが、ポリプロピレンを主体にし
た配合例として、ポリプロピレン／ポリブテン−１／高
密度ポリエチレンにて、重量比で７／２／１の配合によ
って良好な剥離性が得られる。The easily peelable film having antibacterial properties can be obtained by blending various thermoplastic resins depending on the purpose. For example, polypropylene / polybutene-1 / high Good releasability can be obtained by blending 7/2/1 by weight in a density polyethylene.
【００１８】抗菌性物質，酸素吸収物質，顔料等と各熱
可塑性樹脂との混合は、適宜なブレンダーにてドライブ
レンド後に押出機を用いて加熱溶融混練にて行なう。Mixing of an antibacterial substance, an oxygen absorbing substance, a pigment and the like with each thermoplastic resin is performed by dry blending in an appropriate blender, followed by heat melting and kneading using an extruder.
【００１９】混合体は、マスターバッチの形か、オール
コンパンドの形かいずれかの方法をとる。The mixture takes the form of either a masterbatch or an all-compound.
【００２０】各混合樹脂は、図１に示した構成のよう
に、共押出法によるＴダイキャストまたはインフレーシ
ョン法によってフィルム成形される。該フィルムは、一
般に他のフィルム，シート等と適宜な方法で積層されて
使用されることになる。Each of the mixed resins is formed into a film by T-die casting or inflation according to the coextrusion method as shown in FIG. The film is generally used by being laminated with another film, sheet or the like by an appropriate method.
【００２１】包装外部からの酸素を遮断する意味で、前
述したようなポリ塩化ビニリデン（系），ポリビニルア
ルコール（系），アルミ箔のようなバリア材が一般に複
合される。A barrier material such as polyvinylidene chloride (based), polyvinyl alcohol (based), and aluminum foil as described above is generally compounded in order to block oxygen from outside the package.
【００２２】（実施例および比較例） 以下、例を示して本発明実施例および比較例を具体的に
説明する。(Examples and Comparative Examples) Examples of the present invention and comparative examples will be specifically described below with reference to examples.
【００２３】（実施例） 第一層として、粉末ポリプロピレン（密度0.91 g/cm3，
230 ℃でのMFR 2.5 g/10分）70重量％，ポリブテン−１
（密度0.915 g/cm3 ，190 ℃でのMFR 1.8 g/10分）20重
量％，高密度ポリエチレン（密度0.950 g/cm3 ，190 ℃
でのMFR 7.0g/10 分）10重量％に、抗菌性ゼオライト粉
体（粒子径３μｍ，比表面積150 m2/g，銀イオン含有率
0.5 重量％）を、口径50m/m ，L/D25 の押出機を用い
て、200 ℃の押出温度にて混練，コンパンドペレットを
作成した。第二層として、前記粉末ポリプロピレンに、
鉄粉（比表面積0.3 〜0.6 m2/g）20重量％を混合後、第
一層用と同様にしてコンパンドペレットを作成した。二
層共押出Ｔダイキャスティング装置にて前記コンパンド
樹脂を使用して、第一層30μｍ厚／第二層30μｍ厚の構
成厚のフィルムを得た。該フィルムを、あらかじめ、シ
ート成形したポリプロピレン／エチレンビニルアルコー
ル共重合体／ポリプロピレン共押出シート700 μｍ厚
と、押出ラミネート用ポリプロピレン樹脂（密度0.91g/
cm3 ，230 ℃でのMFR 18.0g/10分）30μm厚にて、280
℃の押出温度にて、押出サンドイッチラミネート装置に
よりサンドラミを行なった。(Example) As a first layer, powdered polypropylene (density 0.91 g / cm 3 ,
MFR at 230 ° C 2.5 g / 10 min) 70% by weight, polybutene-1
(Density 0.915 g / cm 3 , MFR at 190 ° C 1.8 g / 10 min) 20% by weight, high density polyethylene (density 0.950 g / cm 3 , 190 ° C
MFR 7.0 g / 10 min) to 10% by weight, antibacterial zeolite powder (particle size 3 [mu] m, a specific surface area of 0.99 m 2 / g, the silver ion content in
0.5% by weight) using an extruder having a diameter of 50 m / m and L / D25 at an extrusion temperature of 200 ° C. to prepare compound pellets. As a second layer, on the powder polypropylene,
After mixing 20% by weight of iron powder (specific surface area: 0.3 to 0.6 m 2 / g), compound pellets were prepared in the same manner as for the first layer. Using the compound resin in a two-layer co-extrusion T-die casting apparatus, a film having a constitution thickness of 30 μm in the first layer / 30 μm in the second layer was obtained. The film was previously formed into a sheet-formed polypropylene / ethylene vinyl alcohol copolymer / polypropylene co-extruded sheet having a thickness of 700 μm and a polypropylene resin for extrusion lamination (density 0.91 g /
At MFR 18.0 g / 10 min) 30 [mu] m thick in cm 3, 230 ℃, 280
The extrusion was performed at an extrusion temperature of ° C using an extrusion sandwich laminating apparatus.
【００２４】作成された構成は、〔PP/EVOH/PP〕(700μ
ｍ厚)/PP(30 μｍ厚)/酸素吸収剤入りPP(30 μｍ厚)/抗
菌剤入り易剥離性フィルム層(30 μｍ厚）である。該シ
ートを、抗菌剤入り易剥離性フィルム層を内面となるよ
うに、真空成形機にて、縦17cm，横13cm，深さ３cm，フ
ランジ幅１cmの寸法の角形トレーを作成した。このトレ
ーに、ヒートシール密封を目的とした蓋材ON15μｍ厚×
EVOH15μｍ厚×CPP 60μｍ厚の構成のものを用意した。
この加工法は、当業界において汎用化しているドライラ
ミネーション法にて行なった。あらかじめ、炊飯した米
飯を、前記トレーの中に無菌化状態にて充填した後、蓋
材によるヒートシール施蓋を行なった。The created configuration is [PP / EVOH / PP] (700 μm).
m / thickness) / PP (30 μm thickness) / PP with oxygen absorber (30 μm thickness) / Easily peelable film layer with antibacterial agent (30 μm thickness). The sheet was formed into a rectangular tray having dimensions of 17 cm (length), 13 cm (width), 3 cm (depth), and 1 cm (width) with a vacuum forming machine so that the easily peelable film layer containing the antibacterial agent became the inner surface. This tray has a lid material ON15μm thick for the purpose of heat sealing.
An EVOH 15 μm thick × CPP 60 μm thick was prepared.
This processing method was performed by a dry lamination method which is widely used in the art. After the cooked rice was previously filled into the tray in an aseptic state, heat sealing with a lid material was performed.
【００２５】個装脱酸素剤を包装容器に入れないで、常
温で６か月間経時変化を見たが、米飯の変敗は見られな
かった。膨張破裂を妨げるため、蓋材を一部剥離して通
蒸準備をなしてから、電子レンジで３分間加熱した後、
食してみたが、味の変化はほとんど見られなかった。同
時に米飯の菌数検査を行なったが、変敗の数値は示さな
かった。Although the individual oxygen absorber was not put in the packaging container and the change over time was observed at room temperature for 6 months, no deterioration of the cooked rice was observed. In order to prevent the expansion and rupture, after partially peeling off the lid material and preparing for steam transmission, it was heated for 3 minutes in a microwave oven.
I tried it and found little change in taste. At the same time, the bacteria count of cooked rice was checked, but no change was shown.
【００２６】（比較例） 実施例と同様に、抗菌剤および脱酸素剤が含有されてい
ない易剥離性バリアトレーに無菌化状態にて、容器へ米
飯を充填し、施蓋後、経時変化を見たところ、一週間で
変敗してしまった。個装脱酸素剤を包装容器内に入れた
場合は、３か月で味の変化が出始めた。(Comparative Example) As in the example, cooked rice was filled in a container in an aseptic condition in an easily peelable barrier tray containing neither an antibacterial agent nor an oxygen scavenger, and after covering, the temporal change was observed. At first glance, it was defeated in a week. When the individually packaged oxygen absorber was placed in the packaging container, the taste began to change in three months.
【００２７】[0027]
【発明の効果】本発明の物品保存用容器は、抗菌と酸素
遮断、および吸収能を有するため、食品の変敗の主原因
となる微生物の有害菌および、酸素の影響を抑えること
ができる。本来有する易剥離機能にて展開されている食
品の包装形態である袋成形プラスチック容器の蓋材また
は容器本体に利用できるのみならず、酸化，有害微生物
の繁殖を嫌うエレクトロニクス分野等の工業包装分野に
も応用できる特有な効果を奏するものである。The container for preserving goods of the present invention has antibacterial, oxygen-blocking, and absorbing properties, so that the harmful bacteria of microorganisms, which are the main cause of food deterioration, and the influence of oxygen can be suppressed. Not only can it be used for the lid material or the container body of a bag-formed plastic container that is a packaging form of food that has been developed with its easy-to-peel function, but also in the industrial packaging field such as the electronics field, which dislikes the oxidation and propagation of harmful microorganisms. This produces a special effect that can be applied.
【図１】本発明実施例の容器に使用する易剥離性フィル
ムの一実施例を示す一部の拡大断面図で、(1a)は、二層
からなるフィルム層を示し、(1b)は、(1a)における中間
層に顔料が熱可塑性樹脂の中に分散した状態を示し、(1
c)は、(1a)における易剥離性フィルム層の表面層のみに
抗菌性物質を配した状態をそれぞれ示す。FIG. 1 is a partially enlarged cross-sectional view showing one embodiment of an easily peelable film used for a container of an embodiment of the present invention, wherein (1a) shows a film layer composed of two layers, and (1b) shows (1a) shows a state in which the pigment is dispersed in the thermoplastic resin in the intermediate layer, (1a)
c) shows a state in which the antibacterial substance is disposed only on the surface layer of the easily peelable film layer in (1a).
Ｆ 易剥離性フィルム ａ 抗菌剤物質 ｂ 酸素吸収剤 １ 抗菌剤物質含有フィルム ２ 酸素吸収剤含有フィルム F easily peelable film a antimicrobial agent substance b oxygen absorber 1 antimicrobial substance containing film 2 oxygen absorbent containing film
───────────────────────────────────────────────────── フロントページの続き (58)調査した分野(Int.Cl.7，ＤＢ名) B32B 1/00 - 35/00 B65D 65/40 ──────────────────────────────────────────────────続 き Continued on the front page (58) Field surveyed (Int. Cl. 7 , DB name) B32B 1/00-35/00 B65D 65/40
Claims (1)
含有フィルムとを積層して複層からなる易剥離性フィル
ムを成形し、該易剥離性フィルムにより前記抗菌性物質
含有フィルムが内層となるように、かつ、前記酸素吸収
剤含有フィルムが外部に位置するように物品を包装する
容器を作成して、 前記容器内へ前記物品が前記抗菌性物質含有フィルムへ
接触するように収容して密封包装してなり、 前記容器内において、前記抗菌性物質含有フィルムに含
有させた抗菌性物質により前記物品に対して抗菌性を発
揮させ、 前記容器の外層に位置する前記酸素吸収剤含有フィルム
に含浸させた酸素吸収剤により、前記容器内の酸素を吸
収させると共に、前記容器外部から該容器内部へ侵入し
ようとする酸素を吸収させて、前記物品の変敗と物品の
酸素の影響を防止することを特徴とする物品保存用容
器 。An antibacterial substance-containing film and an oxygen absorber
Easy release film consisting of multiple layers by laminating a film containing
The antimicrobial substance by the easily peelable film.
So that the containing film becomes the inner layer, and the oxygen absorption
The article so that the agent-containing film is located outside
Create a container, the article into the container to the antimicrobial substance-containing film
It is housed so as to be in contact with and sealed and packaged, and contained in the antibacterial substance-containing film in the container.
The antibacterial substance possesses antibacterial properties against the article.
The oxygen absorbent-containing film located in the outer layer of the container
Oxygen in the container is absorbed by the oxygen absorbent impregnated in the container.
While entering the container from outside the container.
To absorb the oxygen that is going to be
Storage container for articles, characterized by preventing the influence of oxygen
Bowl .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP01964194A JP3264575B2 (en) | 1994-02-16 | 1994-02-16 | Container for storing goods |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP01964194A JP3264575B2 (en) | 1994-02-16 | 1994-02-16 | Container for storing goods |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH07227943A JPH07227943A (en) | 1995-08-29 |
| JP3264575B2 true JP3264575B2 (en) | 2002-03-11 |
Family
ID=12004862
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP01964194A Expired - Fee Related JP3264575B2 (en) | 1994-02-16 | 1994-02-16 | Container for storing goods |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3264575B2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1034791A (en) * | 1996-07-29 | 1998-02-10 | Nakae Bussan Kk | Food packing material |
| JPH10249870A (en) * | 1997-03-18 | 1998-09-22 | Sekisui Chem Co Ltd | Sheet for decorative molding and production of decorative molding |
-
1994
- 1994-02-16 JP JP01964194A patent/JP3264575B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH07227943A (en) | 1995-08-29 |
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