JPS627866B2 - - Google Patents
Info
- Publication number
- JPS627866B2 JPS627866B2 JP57005765A JP576582A JPS627866B2 JP S627866 B2 JPS627866 B2 JP S627866B2 JP 57005765 A JP57005765 A JP 57005765A JP 576582 A JP576582 A JP 576582A JP S627866 B2 JPS627866 B2 JP S627866B2
- Authority
- JP
- Japan
- Prior art keywords
- low frequency
- electrode
- frequency voltage
- negative
- positive
- 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
- 230000001815 facial effect Effects 0.000 claims description 20
- 230000010355 oscillation Effects 0.000 claims description 17
- 230000003796 beauty Effects 0.000 claims description 14
- 239000003990 capacitor Substances 0.000 claims description 6
- 229940079593 drug Drugs 0.000 claims description 4
- 239000003814 drug Substances 0.000 claims description 4
- 238000011282 treatment Methods 0.000 description 13
- 230000035900 sweating Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000004615 ingredient Substances 0.000 description 3
- CIWBSHSKHKDKBQ-JLAZNSOCSA-N Ascorbic acid Chemical compound OC[C@H](O)[C@H]1OC(=O)C(O)=C1O CIWBSHSKHKDKBQ-JLAZNSOCSA-N 0.000 description 2
- 206010039792 Seborrhoea Diseases 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- 230000004060 metabolic process Effects 0.000 description 2
- 210000005036 nerve Anatomy 0.000 description 2
- 230000037312 oily skin Effects 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
- 230000004936 stimulating effect Effects 0.000 description 2
- FKFUHAJJKUCVRF-UHFFFAOYSA-N 2-[3,5-bis(3-heptyl-4-methyl-1,3-thiazol-3-ium-2-yl)penta-2,4-dienylidene]-3-heptyl-4-methyl-1,3-thiazole Chemical compound CCCCCCCN1C(C)=CSC1=CC=C(C1=[N+](C(C)=CS1)CCCCCCC)C=CC1=[N+](CCCCCCC)C(C)=CS1 FKFUHAJJKUCVRF-UHFFFAOYSA-N 0.000 description 1
- SFPKVQYQVWWFKE-UHFFFAOYSA-N 4,5-dihydro-1,3-thiazol-3-ium iodide Chemical compound [I-].C1C[NH+]=CS1 SFPKVQYQVWWFKE-UHFFFAOYSA-N 0.000 description 1
- ZZZCUOFIHGPKAK-UHFFFAOYSA-N D-erythro-ascorbic acid Natural products OCC1OC(=O)C(O)=C1O ZZZCUOFIHGPKAK-UHFFFAOYSA-N 0.000 description 1
- 206010014970 Ephelides Diseases 0.000 description 1
- 208000003351 Melanosis Diseases 0.000 description 1
- 229930003268 Vitamin C Natural products 0.000 description 1
- 230000001476 alcoholic effect Effects 0.000 description 1
- 230000001166 anti-perspirative effect Effects 0.000 description 1
- 239000003213 antiperspirant Substances 0.000 description 1
- 230000001914 calming effect Effects 0.000 description 1
- 239000000975 dye Substances 0.000 description 1
- 125000000219 ethylidene group Chemical group [H]C(=[*])C([H])([H])[H] 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000003020 moisturizing effect Effects 0.000 description 1
- 125000006410 propenylene group Chemical group 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
- 229930003231 vitamin Natural products 0.000 description 1
- 235000013343 vitamin Nutrition 0.000 description 1
- 239000011782 vitamin Substances 0.000 description 1
- 229940088594 vitamin Drugs 0.000 description 1
- -1 vitamin C Natural products 0.000 description 1
- 235000019154 vitamin C Nutrition 0.000 description 1
- 239000011718 vitamin C Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Electrotherapy Devices (AREA)
Description
【発明の詳細な説明】 本発明は、電子美顔装置に関する。[Detailed description of the invention] The present invention relates to an electronic facial beauty device.
最近、低周波電圧を利用する各種携帯用美顔装
置が開発され、一般家庭にも徐々に普及しつつあ
るが、この種の美顔装置にあつては患部に適切な
る低周波電圧を供給することが肝要である。すな
わち、皮膚には脂性の皮膚と荒れ性の皮膚とがあ
り、一般に、両者は、電気抵抗に於ても治療に必
要とする低周波電圧に於ても大きく違ううえ、負
の低周波電圧には皮膚や神経を興奮させて発汗を
促す作用があり、逆に、正の低周波電圧には皮膚
や神経を鎮静化させて発汗を抑える作用があるこ
とから、脂性の皮膚には正電圧を、荒れ性の皮膚
には負電圧を供給しなければならない。 Recently, various portable facial beauty devices that use low frequency voltage have been developed and are gradually becoming popular in general households, but these types of facial beauty devices cannot supply the appropriate low frequency voltage to the affected area. It is essential. In other words, there are two types of skin: oily skin and rough skin, and in general, the two differ greatly in electrical resistance and low-frequency voltage required for treatment, and they are also sensitive to negative low-frequency voltage. Positive low-frequency voltage has the effect of stimulating the skin and nerves and promoting sweating, and conversely, positive low-frequency voltage has the effect of calming the skin and nerves and suppressing sweating. A negative voltage must be applied to rough skin.
また、正負に交番する低周波電圧にも皮膚を刺
激しその新陳代謝を促進する作用があることか
ら、電子美顔術に於ては、正の低周波電圧、正負
に交番する低周波電圧及び負の低周波電圧を適宜
切り換えて皮膚に供給することのできる電子治療
器の使用が望ましいが、従来そのような電子治療
器は知られていなかつた。 In addition, low frequency voltage that alternates between positive and negative has the effect of stimulating the skin and promoting its metabolism, so in electronic facial surgery, low frequency voltage that alternates between positive and negative, and negative low frequency voltage Although it is desirable to use an electronic treatment device that can appropriately switch and supply low-frequency voltage to the skin, such an electronic treatment device has not been known in the past.
本発明者が鋭意検討したところ、低周波発振回
路の出力電圧をコンデンサーと零電位にバイアス
されたダイオードとを組合せたクランプ回路によ
り正又は負に適宜クランプし、得られる正の低周
波電圧、正負に交番する低周波電圧及び負の低周
波電圧を適宜切り換えて患部皮膚に供給する電子
治療器により、上記課題を解決し得ることを見出
した。 After intensive study by the inventor, the output voltage of the low frequency oscillation circuit is appropriately clamped to positive or negative using a clamp circuit that combines a capacitor and a diode biased to zero potential, and the resulting positive low frequency voltage, positive and negative The inventors have discovered that the above-mentioned problems can be solved by an electronic treatment device that appropriately switches between alternating low-frequency voltages and negative low-frequency voltages and supplies them to the affected skin.
すなわち、本発明は、低周波発振回路の出力端
にコンデンサーを介して保水性スポンジローラー
関電極と不関電極とを接続すると共に、それら保
水性スポンジローラー関電極と不関電極との間に
はスイツチ手段によりダイオードを並列若しくは
逆並列に開閉自在に接続し得るよう結線してな
り、該スイツチ手段の操作により、保水性スポン
ジローラー関電極と不関電極との間に正の低周波
電圧、正負に交番する低周波電圧及び負の低周波
電圧を適宜切り換えて印加することを特徴とする
電子美顔装置の構造を要旨とするものである。 That is, the present invention connects a water-retentive sponge roller related electrode and an indifferent electrode to the output end of a low-frequency oscillation circuit via a capacitor, and there is a connection between the water-retentive sponge roller related electrode and the indifferent electrode. The diodes are wired so that they can be opened and closed in parallel or anti-parallel by a switch means, and when the switch means is operated, a positive low frequency voltage is applied between the water-retaining sponge roller's related electrode and the indifferent electrode. The gist of this invention is the structure of an electronic facial beauty device that is characterized by appropriately switching and applying alternating low frequency voltages and negative low frequency voltages.
以下、図示実施例により本発明を説明する。 The present invention will be explained below with reference to illustrated embodiments.
第１図は、本発明による電子美顔装置のブロツ
クダイヤグラムであつて、低周波発振回路１の出
力端にコンデンサーＣを介して保水性スポンジロ
ーラー関電極３と不関電極としての治療器本体２
とを接続すると共に、それら保水性スポンジロー
ラー関電極３と不関電極としての治療器本体２と
の間にはダイオードD1，D2がスイツチＳによつ
てそれぞれ並列及び逆並列に開閉自在に接続し得
るよう結線して構成されている。 FIG. 1 is a block diagram of the electronic facial beauty device according to the present invention, in which a water-retentive sponge roller related electrode 3 and a treatment device main body 2 as an indifferent electrode are connected to the output end of a low frequency oscillation circuit 1 via a capacitor C.
In addition, diodes D 1 and D 2 are connected between the water-retentive sponge roller related electrode 3 and the treatment device main body 2 as an indifferent electrode, and can be opened and closed in parallel and anti-parallel, respectively, by a switch S. It is configured with wires so that it can be connected.
低周波発振回路１は、正弦波波形、矩形波波
形、三角波波形、パルス波形などの正負に交番す
る周波数５乃至50ヘルツ、好ましくは、10乃至30
ヘルツの低周波を発振する電子式発振回路であつ
て、その出力電圧が正負数十ボルトまで、好まし
くは、正負数ボルトまで、すなわち、約１乃至30
ミリアンペア、好ましくは、５乃至20ミリアンペ
アの範囲内で通電し得るものであれば適宜使用す
ることができる。例えば、低周波が正弦波の場合
には各種の自励式若しくは他励式発振回路が、ま
た、低周波が矩形波やパルス波の場合には各種の
間歇発振回路や弛張発振回路などの公知低周波発
振回路を利用することができる。 The low frequency oscillation circuit 1 has a frequency of 5 to 50 Hz, preferably 10 to 30 Hz, which alternates between positive and negative, such as a sinusoidal waveform, a rectangular waveform, a triangular waveform, a pulse waveform, etc.
It is an electronic oscillation circuit that oscillates a low frequency of Hertz, and its output voltage is up to several tens of volts, preferably up to several tens of volts, that is, about 1 to 30 volts.
Any material that can conduct a current of milliamperes, preferably within the range of 5 to 20 milliamperes, can be used as appropriate. For example, when the low frequency is a sine wave, various self-excited or separately excited oscillation circuits are used, and when the low frequency is a rectangular wave or pulse wave, various types of intermittent oscillation circuits and relaxation oscillation circuits are used. An oscillation circuit can be used.
第２図は、第１図に於ける低周波発振回路１と
してマルチバイブレータを使用する本発明の具体
例を示し、低周波発振器１の出力波形は、第３図
ロ又はホに示す如く正負に交番する低周波の矩形
波若しくは正弦波である。 FIG. 2 shows a specific example of the present invention in which a multivibrator is used as the low frequency oscillator circuit 1 in FIG. It is an alternating low frequency rectangular wave or sine wave.
本例に於ては、ダイオードD1，D2は電池Ｂに
より零電位にバイアスされているので、スイツチ
Ｓを接点ａに接続すると、低周波発振回路１の出
力電圧はダイオードD1によりクランプされ、保
水性スポンジローラー関電極３と不関電極として
の治療器本体２との間には第３図イ又はニの如き
最大ピーク電圧が零電位となる負の低周波電圧が
印加され、次に、スイツチＳを接点ｃに切り換え
ると、低周波発振回路１の出力電圧はダイオード
D2によりクランプされるので保水性スポンジロ
ーラー関電極３と治療器本体２との間には第３図
ハ又はヘに示した如き最小ピーク電圧が零電位と
なる正の低周波電圧が印加される。スイツチＳを
接点ｂに切り換えるとダイオードD1，D2は開路
され、保水性スポンジローラー関電極３の治療器
本体２との間には第３図ロ又はホの如き正負に交
番する低周波電圧が印加される。 In this example, diodes D 1 and D 2 are biased to zero potential by battery B, so when switch S is connected to contact a, the output voltage of low frequency oscillation circuit 1 is clamped by diode D 1 . , a negative low frequency voltage with a maximum peak voltage of zero potential as shown in FIG. , when switch S is switched to contact c, the output voltage of low frequency oscillation circuit 1 changes to the diode voltage.
Since it is clamped by D 2 , a positive low frequency voltage is applied between the water-retaining sponge roller electrode 3 and the treatment device main body 2 such that the minimum peak voltage becomes zero potential as shown in FIG. Ru. When switch S is switched to contact point b, diodes D 1 and D 2 are opened, and a low frequency voltage alternating between positive and negative as shown in FIG. is applied.
このように、本発明でいう正の低周波電圧並び
に負の低周波電圧とは、低周波発振回路と電極と
の間に設けたコンデンサーと零電位にバイアスさ
れたダイオードよりなるクランプ回路により、低
周波発振回路が発振する正負に交番する低周波電
圧にそれぞれ正又は負の直流を挿入してなる正の
領域で交番する低周波電圧及び負の領域で交番す
る低周波電圧を意味するものである。 In this way, the positive low frequency voltage and negative low frequency voltage referred to in the present invention are low frequency voltages that are lowered by a clamp circuit consisting of a capacitor provided between the low frequency oscillation circuit and the electrode and a diode biased to zero potential. It means a low frequency voltage that alternates in the positive region and a low frequency voltage that alternates in the negative region, which is obtained by inserting a positive or negative direct current into the low frequency voltage that alternates between positive and negative that is oscillated by a frequency oscillation circuit. .
従つて、本発明による電子美顔装置の使用に際
しては、先ず、対象者の皮膚が脂性、荒れ性或は
それらの中間的な性質のものであるかを判断して
スイツチＳを適宜接点に接続し、次いで、不関電
極としての治療器本体２を握り、水若しくは適宜
薬液を含浸せしめた保水性スポンジローラー関電
極３を患部皮膚に当接し所定の低周波電圧を印加
すればよい。脂性の皮膚に正の低周波電流を通電
すると、その制汗作用により皮膚は発汗が抑えら
れて乾燥し、脂性が解消され、一方、荒れ性の皮
膚に負の低周波電流を通電すると、その発汗作用
により皮膚の発汗が促されて潤い、荒れ性が解消
されるものである。また、皮膚が脂性と荒れ性と
の中間的な性質である場合には、正負に交番する
低周波電流を通電して皮膚の新陳代謝を促し、皮
膚の若返りを図ればよい。同じ対象者であつても
四季を通じて、場合によつては、一日の中でさえ
皮膚の状態が著しく変わることがあるので、正の
低周波電圧、正負に交番する低周波電圧及び負の
低周波電圧は、その時の皮膚の状態に応じて適宜
切り換えて通電するのがよい。 Therefore, when using the electronic facial device according to the present invention, first determine whether the subject's skin is oily, rough, or intermediate in nature, and connect the switch S to the appropriate contact point. Next, the treatment device main body 2 as an indifferent electrode is held, and a water-retentive sponge roller electrode 3 impregnated with water or an appropriate medicinal solution is brought into contact with the affected skin to apply a predetermined low frequency voltage. When a positive low-frequency current is applied to oily skin, its antiperspirant effect suppresses sweating, dries the skin, and eliminates oiliness.On the other hand, when a negative low-frequency current is applied to rough skin, the sweating is suppressed. Its action promotes sweating of the skin, moisturizing it and eliminating rough skin. Furthermore, if the skin has an intermediate property between oily and rough skin, a low frequency current that alternates between positive and negative directions may be applied to promote skin metabolism and rejuvenate the skin. Even for the same subject, the condition of the skin can change significantly throughout the seasons, and in some cases, even within a day. It is preferable to switch the frequency voltage as appropriate depending on the condition of the skin at that time.
本発明はかく構成されているので、僅か一台の
低周波発振回路から正の低周波電圧、正負に交番
する低周波電圧及び負の低周波電圧を取り出し、
皮膚の状態に応じて適宜切り換えて印加すること
ができるものである。また、本電子美顔装置は係
る機能にも拘らず極めて軽量化することができる
ので、自由に持ち運び本格的な美顔術を手軽に実
施できるという実益を有するものである。 Since the present invention is configured in this way, a positive low frequency voltage, a low frequency voltage alternating between positive and negative, and a negative low frequency voltage are extracted from only one low frequency oscillation circuit.
The application can be switched as appropriate depending on the condition of the skin. In addition, this electronic facial beauty device can be extremely lightweight despite its functions, so it has the practical benefit of being freely portable and allowing full-scale facial beauty treatments to be performed easily.
更に、本発明の電子美顔装置は正又は負の低周
波電圧を供給することができることから、上記の
電子美顔術と美顔に治効のある薬剤のイオントホ
レーゼとを並行実施することもできる。その際に
は、例えば、イオン導入すべき薬剤を水溶液又は
アルコール性水溶液として保水性スポンジローラ
ー関電極３に含浸せしめ、その薬効成分が正に荷
電している場合にはスイツチＳを接点ａに、ま
た、薬効成分が負に荷電している場合には接点ｃ
に接続し、それぞれ正又は負の低周波電圧を印加
して薬効成分を患部皮下にイオン導入すればよ
い。そのような薬剤としては、シミ、ソバカスな
どに著効があるとされているビタミンＣなどのビ
タミン類や、各種化粧品に配合使用されている
２・2′［3′−［２−（ヘプチル−４−メチル−２−
チアゾリン−２−イリデン）エチリデン］プロペ
ニレン］ビス［３−ヘプチル−４−メチル］チア
ゾリニウム・アイオダイド（商品名「プラトニン
（感光素101号）」、日本感光色素株式会社製造）な
どのアミノビニル系感光色素は、本発明の電子美
顔装置を使用して効率よくイオン導入されるの
で、電子美顔術とイオン導入とを並行実施する上
で極めて好都合である。 Further, since the electronic facial beauty device of the present invention can supply a positive or negative low frequency voltage, it is also possible to perform the above-mentioned electronic facial treatment and iontophoresis of a drug effective for facial beauty treatment in parallel. At that time, for example, the water-retaining sponge roller electrode 3 is impregnated with the drug to be ion-introduced as an aqueous solution or an alcoholic aqueous solution, and if the medicinal ingredient is positively charged, switch S is set to contact a. In addition, if the medicinal ingredient is negatively charged, contact c
The medicinal ingredients can be ion-transferred subcutaneously into the affected area by connecting the device to the device and applying a positive or negative low frequency voltage, respectively. Such drugs include vitamins such as vitamin C, which is said to be highly effective against age spots and freckles, and 2.2'[3'-[2-(heptyl- 4-methyl-2-
Aminovinyl-based photosensitive dyes such as thiazolin-2-ylidene)ethylidene]propenylene]bis[3-heptyl-4-methyl]thiazolinium iodide (trade name: "Platonin (photosensor No. 101)", manufactured by Nippon Kanko Shiki Co., Ltd.) Since ions can be efficiently introduced using the electronic facial device of the present invention, it is extremely convenient to carry out electronic facial treatment and iontophoresis in parallel.
第１図は、本発明による電子美顔装置のブロツ
クダイアグラムを示す。第２図は、本発明の実施
例の回路図を示し、第３図は、スイツチを切り換
えたときの電圧波形を示す。
図中の符合を説明すれば、次の通りである。１
は低周波発振回路、２は不関電極としての治療器
本体、２は保水性スポンジローラー関電極、Ｃは
コンデンサー、Ｄはダイオード、Ｓはスイツチ。
FIG. 1 shows a block diagram of an electronic facial beauty device according to the present invention. FIG. 2 shows a circuit diagram of an embodiment of the present invention, and FIG. 3 shows a voltage waveform when the switch is switched. The explanation of the symbols in the figure is as follows. 1
is a low-frequency oscillation circuit, 2 is the treatment device body as an indifferent electrode, 2 is a water-retaining sponge roller as an indifferent electrode, C is a capacitor, D is a diode, and S is a switch.
Claims (1)
して保水性スポンジローラー関電極と不関電極と
を接続すると共に、それら保水性スポンジローラ
ー関電極と不関電極との間にはスイツチ手段によ
りダイオードを並列若しくは逆並列に開閉自在に
接続し得るよう結線してなり、該スイツチ手段の
操作により、保水性スポンジローラー関電極と不
関電極との間に正の低周波電圧、正負に交番する
低周波電圧及び負の低周波電圧を適宜切り換えて
印加することを特徴とする電子美顔装置。 ２ 発振回路が矩形波若しくは正弦波を発振する
ことを特徴とする特許請求の範囲第１項記載の電
子美顔装置。 ３ 電子美顔装置が皮膚の脂性若しくは荒れ性治
療のためのものであることを特徴とする特許請求
の範囲第１項又は第２項記載の電子美顔装置。 ４ 薬剤のイオン導入を並行実施するためのもの
であることを特徴とする特許請求の範囲第１項、
第２項又は第３項記載の電子美顔装置。[Claims] 1. A water-retaining sponge roller related electrode and an indifferent electrode are connected to the output end of the low-frequency oscillation circuit via a capacitor, and a water-retaining sponge roller related electrode and an indifferent electrode are connected between the water-retaining sponge roller related electrode and the indifferent electrode. The diodes are connected so that they can be opened and closed in parallel or anti-parallel by a switch means, and by operating the switch means, a positive low frequency voltage is generated between the related electrode and the indifferent electrode of the water-retaining sponge roller. An electronic facial beauty device characterized by appropriately switching and applying a low frequency voltage that alternates between positive and negative and a negative low frequency voltage. 2. The electronic facial beauty device according to claim 1, wherein the oscillation circuit oscillates a rectangular wave or a sine wave. 3. The electronic facial beauty device according to claim 1 or 2, wherein the electronic facial beauty device is for treating oily or rough skin. 4. Claim 1, characterized in that it is for carrying out iontophoresis of drugs in parallel,
The electronic facial device according to item 2 or 3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP576582A JPS58121963A (en) | 1982-01-18 | 1982-01-18 | Electronic face beauty apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP576582A JPS58121963A (en) | 1982-01-18 | 1982-01-18 | Electronic face beauty apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS58121963A JPS58121963A (en) | 1983-07-20 |
| JPS627866B2 true JPS627866B2 (en) | 1987-02-19 |
Family
ID=11620214
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP576582A Granted JPS58121963A (en) | 1982-01-18 | 1982-01-18 | Electronic face beauty apparatus |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58121963A (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6222662A (en) * | 1985-07-19 | 1987-01-30 | 林原 健 | Ion introducing electronic treatment device |
| JPS62139672A (en) * | 1985-12-14 | 1987-06-23 | 林原 健 | Remedy device for positive and negative iontophoresis |
| JPS62159661A (en) * | 1985-12-31 | 1987-07-15 | 林原 健 | Low frequency remedy device for introducing both positive and negative ions |
| JPS63145669A (en) * | 1986-10-11 | 1988-06-17 | 林原 健 | Switch for positive and negative iontophorese |
| JP2760743B2 (en) * | 1993-01-26 | 1998-06-04 | 株式会社総合美容医科学研究所 | Skin tissue reduction device |
| WO2004047915A1 (en) * | 2002-11-27 | 2004-06-10 | Ya-Man Ltd. | Electronic treatment device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS52166388U (en) * | 1976-06-11 | 1977-12-16 |
-
1982
- 1982-01-18 JP JP576582A patent/JPS58121963A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS58121963A (en) | 1983-07-20 |
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