JPH02309285A - Discrimiating method of absence of article - Google Patents
Discrimiating method of absence of articleInfo
- Publication number
- JPH02309285A JPH02309285A JP1130319A JP13031989A JPH02309285A JP H02309285 A JPH02309285 A JP H02309285A JP 1130319 A JP1130319 A JP 1130319A JP 13031989 A JP13031989 A JP 13031989A JP H02309285 A JPH02309285 A JP H02309285A
- Authority
- JP
- Japan
- Prior art keywords
- magnetic
- package
- absence
- mark
- magnetic mark
- 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.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 26
- 230000005291 magnetic effect Effects 0.000 claims abstract description 69
- 230000004907 flux Effects 0.000 claims abstract description 21
- 239000003814 drug Substances 0.000 claims abstract description 14
- 229940079593 drug Drugs 0.000 claims abstract description 7
- 238000001514 detection method Methods 0.000 claims description 21
- 239000002537 cosmetic Substances 0.000 claims description 5
- 238000004806 packaging method and process Methods 0.000 claims description 5
- 239000006247 magnetic powder Substances 0.000 description 6
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 4
- 235000013305 food Nutrition 0.000 description 3
- 238000007689 inspection Methods 0.000 description 3
- 230000005294 ferromagnetic effect Effects 0.000 description 2
- 230000005415 magnetization Effects 0.000 description 2
- AJCDFVKYMIUXCR-UHFFFAOYSA-N oxobarium;oxo(oxoferriooxy)iron Chemical compound [Ba]=O.O=[Fe]O[Fe]=O.O=[Fe]O[Fe]=O.O=[Fe]O[Fe]=O.O=[Fe]O[Fe]=O.O=[Fe]O[Fe]=O.O=[Fe]O[Fe]=O AJCDFVKYMIUXCR-UHFFFAOYSA-N 0.000 description 2
- 239000003973 paint Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000007786 electrostatic charging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- SZVJSHCCFOBDDC-UHFFFAOYSA-N iron(II,III) oxide Inorganic materials O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 229910052712 strontium Inorganic materials 0.000 description 1
- CIOAGBVUUVVLOB-UHFFFAOYSA-N strontium atom Chemical compound [Sr] CIOAGBVUUVVLOB-UHFFFAOYSA-N 0.000 description 1
- 229920002803 thermoplastic polyurethane Polymers 0.000 description 1
- 229910000859 α-Fe Inorganic materials 0.000 description 1
Landscapes
- Geophysics And Detection Of Objects (AREA)
- Sorting Of Articles (AREA)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は、医薬品、医薬部外品、化粧品及び医療用具等
の製品とともに外装体内部に充填される効能書、説明書
等の添付文書の有無を、該外装体の外部から判別する欠
品判別方法に関する。[Detailed Description of the Invention] [Industrial Application Field] The present invention is directed to the use of package inserts such as efficacy sheets and instructions that are packed inside the outer packaging of products such as pharmaceuticals, quasi-drugs, cosmetics, and medical devices. The present invention relates to a method for determining the presence or absence of a missing item from the outside of the package.
周知の通り、薬事法には、医薬品、医薬部外品、化粧品
及び医療用具については、その外装体内部に用法、用量
その他使用及び取扱い上の必要な注意等の各事項が記載
されている添付文書をともに充填しておかなければなら
ない旨定められている。As is well known, the Pharmaceutical Affairs Law stipulates that pharmaceuticals, quasi-drugs, cosmetics, and medical devices must be attached with information such as directions for use, dosage, and other necessary precautions for use and handling on the inside of their packaging. It is stipulated that the documents must be filled together.
従って、前記外装体内部に前記添付文書の欠品が生じる
ことは絶対に許されない。Therefore, it is absolutely unacceptable for the package insert to be missing inside the package.
尚、本発明は、薬事法に規定されていない食品その他の
製品の外装体内部に充填される添付文書の欠品判別にも
利用できる。Note that the present invention can also be used to determine the shortage of package inserts for foods and other products that are not regulated by the Pharmaceutical Affairs Law.
従来、外装体内部に製品とともに充填される添付文書の
有無を、該外装体の外部から判別する欠品判別方法とし
ては、例えば、特開昭５４−２７６４号公報、特公昭５
７−２９３３７号公報に開示された方法がよく知られて
いる。Conventionally, as a missing item determination method for determining the presence or absence of a package insert packed with a product inside an exterior package from the outside of the package, for example, Japanese Patent Application Laid-Open No. 54-2764, Japanese Patent Publication No. 5
The method disclosed in Japanese Patent No. 7-29337 is well known.
〔発明が解決しようとする！ＩＩＩ）
前掲の特開昭５４−２７６４号公報に記載の方法は、「
被検出物に静電容量変化を与えて欠品を検出する方法」
である。[Invention tries to solve! III) The method described in the above-mentioned Japanese Patent Application Laid-Open No. 54-2764 is
A method for detecting missing items by applying a change in capacitance to the object to be detected.”
It is.
また、特公昭５７−２９３３７号公報に記載の方法は、
［外装体内の所要数の医薬品または食品等の製品を充填
し、外部から該充填物の欠品を判別する検査、選別工程
において、前記充填物を被検出物として、これらの被検
出物の各々に所望の電気磁気量を加えて、−の検出部で
これらの被検出物の電気磁気量を集計した検出値と設定
値とを比較演算することにより充填物の欠品有無の選別
をなすことを特徴とする欠品検出方法」である。In addition, the method described in Japanese Patent Publication No. 57-29337 is
[In the inspection and sorting process in which the required number of products such as pharmaceuticals or foods are filled in the outer package and the missing items of the filled items are determined from the outside, each of these detected items is By adding a desired amount of electromagnetism to the detection unit and comparing and calculating the detected value obtained by summing up the amount of electromagnetism of these objects to be detected with the set value, it is possible to sort out whether or not the filling is out of stock. This is a method for detecting missing items.
しかしながら、静電容量変化を与えて被検出物の欠品の
有無を検出する方法（特開昭５４−２７６４号公報）に
は、静電気は温度や湿度の変化に対して不安定であるか
ら、精度を高めるには検査工程の作業環境等の設備に特
別の配慮が必要であるという欠点がある。However, the method of detecting the presence or absence of a missing item by applying a change in capacitance (Japanese Unexamined Patent Publication No. 54-2764) requires that static electricity is unstable with respect to changes in temperature and humidity. A drawback is that special consideration must be given to equipment such as the working environment of the inspection process in order to increase accuracy.
また、所望の電気磁気量を加えて充填物の欠品有無の選
別をなす方法（特公昭５７−２９３３７号公報）には、
帯電処理するときは、前述の特開昭５４−２７６４号公
報記載の方法と同様の欠点を有し、帯磁処理するときは
、帯電させる場合と同様に充填物毎に１０’倍の差を有
する帯磁量を賦与させて識別する方法であるから検査装
置が複雑で大型となるという欠点がある。In addition, a method (Japanese Patent Publication No. 57-29337) in which a desired quantity of electromagnetism is applied to determine whether or not the filling material is missing is as follows.
When electrostatically charged, it has the same drawbacks as the method described in JP-A No. 54-2764, and when it is magnetized, it has a difference of 10 times for each filling, as in the case of electrostatic charging. Since this is a method of identification by imparting the amount of magnetization, there is a drawback that the inspection device becomes complicated and large.
本発明は、前掲従来技術に見られる諸欠点が改良された
欠品判別方法を提供することを技術的課題とするもので
ある。The technical object of the present invention is to provide a method for determining out-of-stock items that improves the various drawbacks seen in the above-mentioned prior art.
〔課題を解決する為の手段］
本発明者は、製品とともに外装体内部に充填される添付
文書の欠品を、磁気を利用して、非接触で、しかも、正
確かつ簡便に判別できる方法について、種々検討を重ね
た結果、本発明に到達したのである。[Means for Solving the Problems] The present inventor has proposed a method that can accurately and easily identify the missing part of the package insert packed inside the exterior package with the product, using magnetism, without contact. As a result of various studies, we have arrived at the present invention.
即ち、本発明は、外装体内部に医薬品、医薬部外品、化
粧品及び医療用具等の製品とともに充填される効能書、
説明書等の添付文書の有無を、該外装体の外部から判別
する欠品判別方法において、前記添付文書に保磁力が１
０００〜４０００エルステッドで残留磁束密度が５００
〜３０００ガウスである磁気マークを施して置き、前記
外装体の外部から当該磁気マークからの漏れ磁束の有無
を磁界検出素子で検出して、前記外装体に充填される添
付文書の有無を判別することからなる欠品判別方法であ
る。That is, the present invention provides an efficacy label that is filled inside the outer package together with products such as pharmaceuticals, quasi-drugs, cosmetics, and medical tools;
In the missing item determination method of determining the presence or absence of an attached document such as a manual from the outside of the package, the attached document has a coercive force of 1.
000 to 4000 oersted and residual magnetic flux density is 500
A magnetic mark of ~3000 Gauss is applied, and the presence or absence of leakage magnetic flux from the magnetic mark from the outside of the exterior body is detected by a magnetic field detection element to determine the presence or absence of a package insert filled in the exterior body. This is a method for determining out-of-stock items.
先ず、本発明において最も重要な点は、医薬品、医薬部
外品、化粧品及び医療用具等の製品とともに外装体内部
に充填される効能書、説明書等の添付文書に、保磁力が
１０００〜４０００エルステッドで残留磁束密度が５０
０〜３０００ガウスである磁気マークを施して置き、前
記製品の外装体の外部から当該磁気マークからの漏れ磁
束の有無を磁界検出素子で検出することによって、非接
触で、しかも、正確かつ簡便に欠品を判別する点である
。First of all, the most important point in the present invention is that the package inserts such as efficacy sheets and instructions that are packed inside the outer package with products such as pharmaceuticals, quasi-drugs, cosmetics, and medical devices have a coercive force of 1000 to 4000. Residual magnetic flux density at Oersted is 50
A magnetic mark of 0 to 3000 gauss is applied, and the presence or absence of leakage magnetic flux from the magnetic mark is detected from outside the exterior of the product using a magnetic field detection element. This is to determine if there is a shortage.
次に、本発明における磁気マーク付添付文書を図１に、
また、該添付文書の欠品を選別する工程を図２によって
説明する。Next, FIG. 1 shows an attached document with a magnetic mark according to the present invention.
Further, the process of selecting out-of-stock package inserts will be explained with reference to FIG. 2.
図１に示す如く、効能書、説明書等の添付文書３に磁気
マーク３゛を印刷するか張り付けて施し、図２に示す如
く、磁気マーク３°を施した添付文書３を製品４ととも
に外装体２に充填し、コンベヤー５によって矢印方向に
運ばれ、磁界検出素子■の下部を通過する時に、添付文
書３の磁気マーク３′からの漏れ磁束を磁界検出素子ｌ
によって検出する。As shown in Fig. 1, a magnetic mark 3゛ is printed or pasted on an attached document 3 such as a label of efficacy or an instruction manual, and as shown in Fig. 2, the attached document 3 bearing a magnetic mark 3° is packaged together with the product 4. When the container 2 is filled in the container 2 and transported in the direction of the arrow by the conveyor 5, and passes under the magnetic field detection element (2), the leakage magnetic flux from the magnetic mark 3' of the attached document 3 is detected by the magnetic field detection element (1).
Detected by.
磁気マークを施した添付文書が充填されていない場合に
は、当然、磁気マークが存在しないので、磁界検出素子
１は何にも検出しない。If a package insert with a magnetic mark is not loaded, the magnetic field detection element 1 will not detect anything since there is no magnetic mark.
次に、本発明実施にあたっての諸条件について述べる。Next, various conditions for implementing the present invention will be described.
本発明において、効能書、説明書等の添付文書に施す磁
気マークは、磁性粉をビヒクル中に分散してインクや塗
料とするか、樹脂中に分散してシート状にし、これらを
前記添付文書に印刷するか張り付ける。In the present invention, magnetic marks to be placed on attached documents such as efficacy sheets and instructions can be made by dispersing magnetic powder in a vehicle to form ink or paint, or by dispersing it in resin and making it into a sheet, and then applying these marks to the attached documents. Print or paste on.
尚、別の紙、テープ等に印刷したものやシート状磁気フ
ィルムを磁気マークとして効能書、説明書等の添付文書
に張り付けることもできる。Note that it is also possible to use a magnetic mark printed on another piece of paper, tape, etc., or a sheet-like magnetic film to be pasted on an attached document such as a prescription, an instruction manual, or the like.
磁気マークの保磁力はｔｏｏｏ〜４０００エルステッド
である。保磁力が１０００エルステッド以下の場合には
、着磁した磁気マークが磁石で消え易く不安定であり、
４０００工ルステツド以上の場合には、磁気マークの着
磁が困難となる。保磁力は好ましくはｔｏｏｏ〜２００
０エルステッドである。The coercive force of the magnetic mark is too~4000 oersteds. If the coercive force is less than 1000 oersteds, the magnetized magnetic mark will be easily erased by the magnet and will be unstable.
In the case of 4000 millimeters or more, it becomes difficult to magnetize the magnetic mark. Coercive force is preferably too~200
0 oersted.
磁気マークの残留磁束密度は５００〜３０００ガウスで
ある。残留磁束密度が５００ガウス以下の場合には、簡
便な磁界検出素子では検出ミスを生じ易（、残留磁束密
度が３０００ガウス以上の場合には、磁気検出精度も良
く好ましいが、特殊な磁性粉等を用いる必要があり、経
済的でない。残留磁束密度は好ましくは５００〜２５０
０ガウスである。The residual magnetic flux density of the magnetic mark is 500 to 3000 Gauss. When the residual magnetic flux density is 500 Gauss or less, detection errors are likely to occur with a simple magnetic field detection element (and when the residual magnetic flux density is 3000 Gauss or higher, magnetic detection accuracy is good and is preferable, but special magnetic powder etc. The residual magnetic flux density is preferably 500 to 250.
It is 0 Gauss.
磁気マーク中の磁性粉の含有率は３０〜ｇＱｗｔ％で、
特に４０〜８０−１％が好ましい、磁性粉の含有率が３
０−（％未満の場合には、残留磁束密度が５００ガウス
以下となり、磁界検出素子として高性能なものを必要と
し、簡便な磁界検出素子では検出ミスを生じ易い、磁性
粉の含有率が９０ｗｔ％を越える場合には、インクや塗
料化及びシート化が困難となる。The content of magnetic powder in the magnetic mark is 30~gQwt%,
The content of magnetic powder is particularly preferably 40 to 80-1%.
If it is less than 0-(%, the residual magnetic flux density will be 500 Gauss or less, and a high-performance magnetic field detection element is required, and a simple magnetic field detection element is likely to cause detection errors.) If the magnetic powder content is 90wt. If it exceeds %, it becomes difficult to form into ink, paint, or sheet.
磁性粉としては、マグネタイト、マグネタイト、バリウ
ムフェライト、ストロンチウムフェライトなどの強磁性
酸化鉄や複合酸化鉄粉を使用することができる。As the magnetic powder, ferromagnetic iron oxide or composite iron oxide powder such as magnetite, barium ferrite, strontium ferrite, etc. can be used.
磁界検出素子としては、ホール素子、磁気抵抗素子、ビ
ックアンプコイル、強磁性体Ｇ■磁気抵抗素子どを用い
る。As the magnetic field detection element, a Hall element, a magnetoresistive element, a big amplifier coil, a ferromagnetic G2 magnetoresistive element, etc. are used.
磁界検出素子を用いる本発明は、塵埃や油滴が存在する
悪環境であっても非接触において簡便に磁界の検出が可
能である。The present invention, which uses a magnetic field detection element, can easily detect a magnetic field without contact even in a bad environment where dust and oil droplets are present.
次に、実施例を図１及び図２を用いて本発明を説明する
。Next, the present invention will be described in an embodiment using FIGS. 1 and 2.
尚、実施例における保磁力及び残留磁束密度の測定は、
振動試料型磁力計を用いた。欠品の判別には、磁界検出
素子としてホール素子を用い検出した。In addition, the measurement of coercive force and residual magnetic flux density in the examples is as follows:
A vibrating sample magnetometer was used. A Hall element was used as a magnetic field detection element to detect missing items.
図１に示すような薬品４の効能書３に、平均粒子径が１
．２．ｃ＋ｍ、保磁力Ｈｃが３００００ｅ 、飽和磁化
σＳが５７ ｅｗｒｕ／ｇのバリウムフェライト粒子粉
末を７０ｗ Ｌ％金含有るウレタン系樹脂を用いて調製
した磁性インクにより、当該効能書３の左上に２０ｍｍ
ｘ５１１−の大きさのマークをグラビア印刷した。次
いで、該マークを着ｉｆｆ器によって着磁し、磁気マー
ク３° とじた、該磁気マーク３″の磁性は保磁力１１
ｃが２６００エルステッドで残留磁束密度Ｂ「が１５０
０ガウスであった。As shown in Figure 1, the efficacy label 3 of drug 4 shows that the average particle size is 1.
．． 2. c + m, coercive force Hc is 30000e, saturation magnetization σS is 57 ewru/g barium ferrite particle powder is prepared using a urethane resin containing 70w L% gold, and a 20mm ink mark is placed on the upper left of the efficacy booklet 3.
A mark of size x511- was printed by gravure. Next, the mark was magnetized by an IF device, and the magnetic mark 3'' was closed.
When c is 2600 oersted, the residual magnetic flux density B is 150
It was 0 Gauss.
次に磁気マーク３°を施した効能書３を薬品４とともに
外装体２に充填した。Next, the efficacy label 3 bearing the magnetic mark 3° was filled into the outer package 2 together with the medicine 4.
コンベヤー５を作動して、被検体である外装体２が磁界
検出素子ｌの直下を通過する際に、被検体中に磁化した
磁気マーク３゛を有する効能書３がある場合には、磁気
マーク３°の残留るｎ束密度により被検体の外部に出た
漏れ磁束を磁界検出素子１が検出した。When the conveyor 5 is operated and the exterior body 2, which is the subject to be examined, passes directly under the magnetic field detection element 1, if there is a statement 3 having a magnetized magnetic mark 3' in the subject, the magnetic mark 3 is detected. The magnetic field detection element 1 detected the leakage magnetic flux exiting to the outside of the subject due to the residual n flux density of 3°.
磁界検出素子１によって、磁気マーク３゛からの漏れ磁
束を検出したことによって、外装体２の中に効能書３が
存在することが確認できた。By detecting leakage magnetic flux from the magnetic mark 3' by the magnetic field detection element 1, it was confirmed that the efficacy note 3 was present in the exterior body 2.
当然のことではあったが磁気マーク３゛を施していない
効能書を入れた場合、磁気マーク３゛を施したもので磁
界検出素子１との相対的位置をずらせた場合には磁界検
出素子ｌは何も検出しなかった。As a matter of course, if a statement of efficacy that does not have the magnetic mark 3 is included, and if the relative position of the magnetic field detection element 1 is shifted with the one with the magnetic mark 3, the magnetic field detection element l detected nothing.
Ｃ発明の効果〕
本発明は・たとえ・悪環境下の作業条件であっても、非
接触で、しかも、正確かつ簡便に欠品を判別できるとい
う非常に優れた方法である。C. Effects of the Invention The present invention is an extremely excellent method that allows for non-contact, accurate and simple identification of missing items even under adverse working conditions.
更に、本発明に係る方法は、食品その他のあらゆる外装
体内部に充填される添付文書の欠品をも判別できること
はいうまでもない。Furthermore, it goes without saying that the method according to the present invention can also determine whether there is a shortage of package inserts packed inside any external packaging for food or other products.
図１は、添付文書に磁気マークを施した状態を示す説明
であり、図２は、本発明に係る製品の外装体の外部から
外装体内部に充填した添付文書の欠品を選別する工程を
示す一部断面説明図である。FIG. 1 is an illustration showing a state in which a magnetic mark is applied to a package insert, and FIG. 2 is a diagram illustrating the process of sorting missing items of package inserts filled inside the package from the outside of the package of a product according to the present invention. It is a partially sectional explanatory view shown.
Claims (1)
療用具等の製品とともに充填される効能書、説明書等の
添付文書の有無を、該外装体の外部から判別する欠品判
別方法において、 前記添付文書に保磁力が１０００〜４０００エルステッ
ドで残留磁束密度が５００〜３０００ガウスである磁気
マークを施して置き、前記外装体の外部から当該磁気マ
ークからの漏れ磁束の有無を磁界検出素子で検出して、
前記外装体に充填される添付文書の有無を判別すること
を特徴とする欠品判別方法。(1) A method for determining missing items by determining from the outside of the packaging whether there are any accompanying documents such as efficacy sheets, instructions, etc. that are packed inside the packaging with products such as pharmaceuticals, quasi-drugs, cosmetics, and medical devices. A magnetic mark having a coercive force of 1000 to 4000 Oe and a residual magnetic flux density of 500 to 3000 Gauss is placed on the attached document, and a magnetic field detection element detects the presence or absence of leakage magnetic flux from the magnetic mark from the outside of the exterior body. Detect it with
A method for determining a missing item, comprising determining the presence or absence of a package insert filled in the outer package.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1130319A JP2945411B2 (en) | 1989-05-24 | 1989-05-24 | Out-of-stock decision method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1130319A JP2945411B2 (en) | 1989-05-24 | 1989-05-24 | Out-of-stock decision method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02309285A true JPH02309285A (en) | 1990-12-25 |
| JP2945411B2 JP2945411B2 (en) | 1999-09-06 |
Family
ID=15031489
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1130319A Expired - Lifetime JP2945411B2 (en) | 1989-05-24 | 1989-05-24 | Out-of-stock decision method |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2945411B2 (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5456591A (en) * | 1977-10-14 | 1979-05-07 | Nikka Kk | Method of detecting forgotten description document in medicines |
| JPS54170977U (en) * | 1978-05-20 | 1979-12-03 | ||
| JPS5729337B2 (en) * | 1977-10-20 | 1982-06-22 |
-
1989
- 1989-05-24 JP JP1130319A patent/JP2945411B2/en not_active Expired - Lifetime
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5456591A (en) * | 1977-10-14 | 1979-05-07 | Nikka Kk | Method of detecting forgotten description document in medicines |
| JPS5729337B2 (en) * | 1977-10-20 | 1982-06-22 | ||
| JPS54170977U (en) * | 1978-05-20 | 1979-12-03 |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2945411B2 (en) | 1999-09-06 |
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