CS249780B1 - Method of etched plates' production and application - Google Patents
Method of etched plates' production and application Download PDFInfo
- Publication number
- CS249780B1 CS249780B1 CS832024A CS202483A CS249780B1 CS 249780 B1 CS249780 B1 CS 249780B1 CS 832024 A CS832024 A CS 832024A CS 202483 A CS202483 A CS 202483A CS 249780 B1 CS249780 B1 CS 249780B1
- Authority
- CS
- Czechoslovakia
- Prior art keywords
- fljih
- production
- application
- flhckobblm
- etched plates
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/04—Windings characterised by the conductor shape, form or construction, e.g. with bar conductors
- H02K3/26—Windings characterised by the conductor shape, form or construction, e.g. with bar conductors consisting of printed conductors
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/0073—Masks not provided for in groups H05K3/02 - H05K3/46, e.g. for photomechanical production of patterned surfaces
- H05K3/0082—Masks not provided for in groups H05K3/02 - H05K3/46, e.g. for photomechanical production of patterned surfaces characterised by the exposure method of radiation-sensitive masks
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
- H05K2201/09—Shape and layout
- H05K2201/09009—Substrate related
- H05K2201/09018—Rigid curved substrate
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2203/00—Indexing scheme relating to apparatus or processes for manufacturing printed circuits covered by H05K3/00
- H05K2203/05—Patterning and lithography; Masks; Details of resist
- H05K2203/0548—Masks
- H05K2203/056—Using an artwork, i.e. a photomask for exposing photosensitive layers
Description
-1- HA3BAHHE Κ30ΒΡΕΤΕΗΗΉ-1- HA3BAHHE Κ30ΒΡΕΤΕΗΗΉ
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Uejib Η3θ6ρβτβΗΗΗ 3aKJiKBiaeTCH b pa3paóoTKe cnoco6a pjist H3roTOBJieHHH oOmotojk H3 ne^aTHbix raiaT flJia MamHH c nucKoBbíM ροτοροΜ, πρηηθμ ρ,οηχΗΆ oSecnewHBaTb- CH BO3MO3KHOCTb 3ΚΟΗΟΜΗΗΗΟΓΟ H3rOTOBJieHHH He0OJIbmHX CepHft MaiUHH, a TaKJKe - OCBOeHHe HOBblX φορΜ Η ΤΗΠΟΒ ffHCKa sa KOpOTKHň -CPOK.Uejib Η3θ6ρβτβΗΗΗ 3aKJiKBiaeTCH b pa3paóoTKe cnoco6a pjist H3roTOBJieHHH not oOmotojk H3 ^ aTHbix raiaT flJia MamHH c nucKoBbíM ροτοροΜ, πρηηθμ ρ, οηχΗΆ oSecnewHBaTb- CH BO3MO3KHOCTb 3ΚΟΗΟΜΗΗΗΟΓΟ H3rOTOBJieHHH He0OJIbmHX CepHft MaiUHH and TaKJKe - OCBOeHHe HOBblX φορΜ Η ΤΗΠΟΒ ffHCKa was KOpOTKHň -CPOK.
HaJioxeHMe cymecTBa H3oÓpeTeHHH 249780 -2- - TexHHMecKaH 3aflana, peniaeMaa H3oÓpgtghhgm. B ochoby Μ3θ6ρθτβΗΗΗ nono®GHa 3aflana - co3flaTb cnocoó ajih H3roTOBJiGHns oó:motok H3 nenaTHbix ruiaT pnu mhuihh c jxhckobmm ροτοροΜ, b nacTHocTH óonbDiGňMOmHOCTH, KOTOpbIH nO3BOJIHGT ΚρΗΤΚΟΒρβΜβΗΗΟ, T.G. ÓG3 flJIHTGJIbHbIX ΠΟβΓΟΤΟ-BHTejibHbix paóoT, κηκ sto TpeóyeTCH ajih Η3γοτοβη6ηηη τοηκωχ nrraMnoBowHbixHHCTpyMGHTOB, OCBOHTb HOBbie HJIH H3M6HGHHbIG THnbI OÓMOTOK flJIH flHCKOB Μ3ΠΙΗΗC flHCKOBblM POTOPOM. - ΠρΗ3Η3ΚΗ Η3θ6ρβΤβΗΗη flJIH H3rOTOBJIGHHH OÓMOTOK flJIH MatUHH C flHCKOBblM ΡΟΤΟΡΟΜ, B flaCTHOCTH MaiDHHÓOJIbUIGH MOIUHOCTH, ΠρΗΗβΜ CepHH npÓBOflOB flOJIJKHbl 6bITb BbinOJIHGHbl H3 MeflHblXJIHCTOB ÓOJIbUIGH ΤΟΠΠξΗΗω, H Ha OCHOBe 3ΤΟΓΟ B MHorOCJlOřÍHOH KOHCTpyKflHH npHHepeflOBaHHH C H3OJIHflHOHHbIMH CJIOHMH Η3ΓΟΤΒΒΗΗΒ36ΤΟΗ flHCK, CGpHH npOBOflOB,a T3kjkg cogahhhioiuhg hx BHyTpGHHGG h BHeniHee KOJibfla oópaóoTKH c oóghx cto-Poh jiHCTa floJDKHbí 6biTb ποκρΗΤΗ KOHrpyaHTHo flpyr κ flpyry 3amHTHbiM naKdM, anpoMewyTKH floniKHbí óbiTb BbiTpaBJíGHbí npofleccoM TpaBJIGHHH.HaloxyMe cymecTBa H3OpeTeHHH 249780 -2- - TexHHMecKaH3aflana, peniaeMaa H3Opgtghhgm. B ochoby o3θ6ρθτβΗΗΗ nono®GHa 3aflana - co3flaTb cnocoó ajih H3roTOBJiGHns oó: motok H3 nenaTHbix ruiaT pnu mhuihh c jxhckobmm ροτοροΜ, b nacTHocTH ononbDiGnMOmHOCTH, KOTOpbIH nO3BOJIHGT ΚρΗΤΚΟΒρβΜβΗΗΟ, T.G. ÓG3 flJIHTGJIbHbIX ΠΟβΓΟΤΟ-BHTejibHbix paóoT, o st o pe pe pe ih ih γ γ γ γ γ γ γ γ γ γ γ γ γ γ γ γ γ γ OB OB OB OB OB OB OB OB OB OB - ΠρΗ3Η3ΚΗ Η3θ6ρβΤβΗΗη flJIH H3rOTOBJIGHHH OÓMOTOK flJIH MatUHH C flHCKOBblM ΡΟΤΟΡΟΜ B flaCTHOCTH MaiDHHÓOJIbUIGH MOIUHOCTH, ΠρΗΗβΜ CepHH npÓBOflOB flOJIJKHbl 6bITb BbinOJIHGHbl H3 MeflHblXJIHCTOB ÓOJIbUIGH ΤΟΠΠξΗΗω H Ha OCHOBe 3ΤΟΓΟ B MHorOCJlOřÍHOH KOHCTpyKflHH npHHepeflOBaHHH C H3OJIHflHOHHbIMH CJIOHMH Η3ΓΟΤΒΒΗΗΒ36ΤΟΗ flHCK, CGpHH npOBOflOB and T3kjkg cogahhhioiuhg hx BHyTpGHHGG h BHeniHee KOJibfla oópaóoTKH c oóghx cto-Poh jiHCTa floJDKHbi 6biTb ποκρΗΤΗ KOHrpyaHTHo flpyr κ flpyry 3amHTHbiM naKdM, anpoMewyTKH floniKHb óbiTb BbiTpaBJiGHb npofleccoM TpaBJIGHHH.
PeKOMeHflyeTCH ποκρωτΗβ 33πιητημμ JiaROM βηποβηητβ φοτοΓρβφΗηβοκΗΜ nyTeM.PeKOMeHflyeTCH ποκρωτΗβ 33πιητημμ JiaROM βηποβηητβ φοτοΓρβφΗηβοκΗΜ nyTeM.
Bjiaroflapn h3oÓpgtghhio H3bgcthog caMO no ce6e Φηοοηηοθ TpaBJíGHHG npHMGHHTbTaKJKe flJIH Η3ΓΟΤΟΒηθΗΗΗ pOTOpHbrX OÓMOTOK flJIH M3IHHH C flHCKOBblM pOTOpOM, BnacTHocra ajih thkhx MauiHH óoJibiueň moiuhocth, b pe3yjibTaTe nero ημθιοτ Μβοτοcneflyramne npeHMymecTBa: - oóecneneHHe bo3mojkhocth KpaTKOBpeMeHHoro h óecnpoÓJieMHoro Η3μθηθηηη'BejIHHHHbl Η φορΜΜ pOTOPHbIX OÓMOTOK, - Hefloporoe Η3ΓΟΤΟΒηβΗΗβ HeÓOJIbUIHX CepHŠ POTOPHbIX OÓMOTOK, - Hcnonb3OBaHHe yate hmgioiuhxch TpaBHJibHbix ycTaflOBOK. ΠρΗΜθΡ OCymeCTBJíeHHH Η3Ο0ρβΤβΗΗΗ flJIH Η3ΓΟΤΟΒΙΙβΗΗΗ pOTOPHbIX OÓMOTOK RJIH MaUIHH C flHCKOBblM POTOPOM ÓOnbffleňMOmHOCTH Ha MeflHOM JIHCTe TOJHUHHOň, HanpHMep, 0,3 MM CepHH npOBOflOB C BHyT-peHHHM H BHeniHHM KOJIbflaMH OÓpaÓOTKH flOJIJKHbl nOKpbIBaTbCH 33IUHTHbIM JiaKOM Coóetix ctopoh KOHrpysHTHo flpyr κ flpyry. 3to flenecooópa3Ho npoH3BOflHTb flByx-CTOPOHHHM IIOKpblTHGM MGflHOrO JiHCTa CBGTOHyBCTBHTGJIbHblM 33ΠρΐΤΗΜΜ JiaKOM,flByXCTOpOHHHM ΟΟΒβΠζβΗΗβΜ CepHft npOBOflOB H KOJIGfl OÓpaÓOTKH C iťOMOIUblO OC“BGTHTenbHoro KapMaHa, κοτορκή coctoht hs flByx no MGHbmeň Mepe c oflHoň ctoPOHH npOHHO CBH3aHHbIX flpyr C flpyrOM, HGTKO orpaHHHHBaiOIUHX CGpHH npOBOflOBh Konbfla oópaóoTKH KOHrpysHTHo flpyr κ flpyry chogb Φοπηγη, h nocjieflyratuHMnpOHBJIGHHGM. MGflHblň JIHCT, CHaÓIKGHHbIH T3KHM OÓpa3OM flByXCTOpOHHHM, KOHrpyaHTHblM flpyr Kflpyry ΠΟΚρΜΤΗΘΜ CGpHň npOBOflOB H KOJIGfl oópaóoTKH 3amHTHbIM JiaKOM, nOflBGp-raGTCH BO3flGŘCTBHK) H3BGCTHMM OÓpa3OM TpaBHJIbHoro paCTBOpa flO TGX ΠΟΡ, Π0Κ3HGnOKpbITbIG 33IUHTHbIM JiaKOM npOMGXCyTKH ΗΘ ÓyflyT nOJIHOCTbK) BbiTpaBJíeHbí. TaKHa3biBaeMoe noflTpaBJíHBaHHe ynHTbiBaeTCH yuce πρκ HaHeceHHH cjioh 3amHTHoro naulKa hjih yace πρκ oópa3osaHHH cepnň npoBoflos h kojiga oópaóoTKH Ha oóghx cjiohxnjiGHKH ocBGTHTGÍibHoro KapMaHa. 249780 -3- ΦΟΡΜΥΠΑ Η3ΟΒΡΕΤΕΗΚΠ 1 . Cn0C06 flJIH Η3ΓΟΤΟΒΠβΗΗΗ POTOpHbIX oGmOTOK flJIH Μ9ΠΙΗΗ C flHCKOBblM POŤO-poM, b qacTHocTH fljia tskhx ManiHH CoJibineií moiuhocth» npimeM cepHH προβοαοβΒΗΠΟΠΗβΗΜ H3 MeTaJIJIHHeCKHX JIHCTOB, B HaCTHOCTH H3 MeflHbIX JIHCTOB 60JIhIIieňTonmHHbí, h b peayjtbTaTe 3τογο b MHorocjioňHoň KOHCTpyíciiHH npH nepe,qoBaHHHO H3OJIHIIHOHHMMH CJIOHMH Η3Γ0Τ3ΒΙΙΗΒ3βΤ0Η flHCK, OTJIHHaKJmHÓCH ΤβΜ, HTO CepHHπροΒοηοΒ, a τβκκβ coejjHHHiomHe hx BHyTpeHHee η BHeniHee KOJibija οδρββστκΗnoKpbraawŤCH aamMTHbíM naKOM c o6enx ctopoh KOHrpysHTHo flpyr κ apyry, a npo1-MewyTKH BbJTpajiHBaioTCH npoueccoM TpaBJíeHHH. 2. Cnoco6 no nyHKTy 1, oTJiHyaioiuHficH τβΜ, hto ποκρωτΗβ 3&πριτηι>ιμ jiskomnpOH3BOAHTCH no φΟΤΟΓρβφΗΊβΟΚΟΙ-ηΓ MeTOfly.Bjiaroflapn h3oÓpgtghhio H3bgcthog Camo well ce6e Φηοοηηοθ TpaBJíGHHG npHMGHHTbTaKJKe flJIH Η3ΓΟΤΟΒηθΗΗΗ pOTOpHbrX OÓMOTOK flJIH M3IHHH C flHCKOBblM pOTOpOM, BnacTHocra ajih thkhx MauiHH óoJibiueň moiuhocth b pe3yjibTaTe Nero ημθιοτ Μβοτοcneflyramne npeHMymecTBa - oóecneneHHe bo3mojkhocth KpaTKOBpeMeHHoro h óecnpoÓJieMHoro Η3μθηθηηη'BejIHHHHbl Η φορΜΜ pOTOPHbIX OÓMOTOK - Hefloporoe Η3ΓΟΤΟΒηβΗΗβ HeÓOJIbUIHX CepHŠ POTOPHbIX OOMOTOK, - Hcnonb3OBaHHe yate hmgioiuhxch TpaBHJibHbix ycTaflOBOK. ΠρΗΜθΡ OCymeCTBJíeHHH Η3Ο0ρβΤβΗΗΗ flJIH Η3ΓΟΤΟΒΙΙβΗΗΗ pOTOPHbIX OÓMOTOK RJIH MaUIHH C flHCKOBblM POTOPOM ÓOnbffleňMOmHOCTH Ha MeflHOM JIHCTe TOJHUHHOň, HanpHMep, 0.3mM CepHH npOBOflOB BHyT C-H peHHHM BHeniHHM KOJIbflaMH OÓpaÓOTKH flOJIJKHbl nOKpbIBaTbCH 33IUHTHbIM JiaKOM Coóetix ctopoh KOHrpysHTHo flpyr κ flpyry. 3to flenecooópa3Ho npoH3BOflHTb flByx-CTOPOHHHM IIOKpblTHGM MGflHOrO JiHCTa CBGTOHyBCTBHTGJIbHblM 33ΠρΐΤΗΜΜ JiaKOM, flByXCTOpOHHHM ΟΟΒβΠζβΗΗβΜ CepHft npOBOflOB H KOJIGfl OÓpaÓOTKH C iťOMOIUblO OC "BGTHTenbHoro KapMaHa, κοτορκή coctoht hs flByx well MGHbmeň Mepe c oflHoň ctoPOHH npOHHO CBH3aHHbIX flpyr C flpyrOM, hgtk orpaHHHHBaiOIUHX CGpHH npOBOflOBh Konbfla oópaóoTKH KOHrpysHTHo flpyr κ flpyry chogb Φοπηγη, h nocjieflyratuHMnpOHBJIGHHGM. MGflHblň JIHCT, CHaÓIKGHHbIH T3KHM OÓpa3OM flByXCTOpOHHHM, KOHrpyaHTHblM flpyr Kflpyry ΠΟΚρΜΤΗΘΜ CGpHň npOBOflOB H KOJIGfl oópaóoTKH 3amHTHbIM JiaKOM, nOflBGp-raGTCH BO3flGŘCTBHK) H3BGCTHMM OÓpa3OM TpaBHJIbHoro paCTBOpa FLO TGX ΠΟΡ, Π0Κ3HGnOKpbITbIG 33IUHTHbIM JiaKOM npOMGXCyTKH ΗΘ ÓyflyT nOJIHOCTbK) BbiTpaBJíeHbí. K H 3 K K K K K K a K K K K K K K K K K K K K uce uce na uce uce uce uce uce 249780 -3- ΑΠΑ Η3ΟΒΡΕΤΕΗΚΠ 1. Cn0C06 flJIH Η3ΓΟΤΟΒΠβΗΗΗ POTOpHbIX oGmOTOK flJIH Μ9ΠΙΗΗ C flHCKOBblM then-pom, b qacTHocTH fljia tskhx ManiHH CoJibineií moiuhocth »npimeM cepHH προβοαοβΒΗΠΟΠΗβΗΜ H3 MeTaJIJIHHeCKHX JIHCTOB B HaCTHOCTH H3 MeflHbIX JIHCTOB 60JIhIIieňTonmHHbí HB peayjtbTaTe 3τογο b MHorocjioňHoň KOHCTpyíciiHH NPH NEP, qoBaHHHO H3OJIHIIHOHHMMH CJIOHMH Η3Γ0Τ3ΒΙΙΗΒ3βΤ0Η flHCK, OTJIHHaKJmHÓCH ΤβΜ, HTO CepHHπροΒοηοΒ and τβκκβ coejjHHHiomHe hx BHyTpeHHee η BHeniHee KOJibija οδρββστκΗnoKpbraawŤCH aamMTHbíM SINEMET c o6enx ctopoh KOHrpysHTHo flpyr κ pyr and npo1-MewyTKH BbJTpajiHBaioTCH npoueccoM TpaBJíeHHH. 2. Cnoco6 no nyHKTy 1, oTJiHyaioiuHficH τβΜ, hto ποκρωτΗβ 3 & πριτηι> ιμ jiskomnpOH3BOAHTCH no φΟΤΟΓρβφΗΊβΟΚΟΙ-ηΓ MeTOfly.
AHHOTAIWAHHOTAIW
Cnoco6 RJIH H3IOTOBJieHHH pOTOpHbIX O0MOTOK flJIH ManiHH C flHCKOBblM pOTOpOMCnoco6 RJIH H3IOTOBJieHHH pOTOpHbIX O0MOTOK flJIH ManiHH C flHCKOBblM pOTOpOM
PoTopHbie o6motkh hs τβκ HaabiBaeMbix nenaTHbix nrtaT fljiH MaraHH c rhckobmm po'τοροΜ, B nacTHocTH TaKHX MaraHH Sojibmeň moiuhocth, αοπχημ ocBanBaTbCH κρητ-KOBpeMeHHo, T.e. 6ea flnHTejibHbix noflroTOBHTejibHbix pa6oT, Kax sto TpeCyeT-Cfl WIH Η3ΓΟΤΟΒΙΙβΗΗΗ TOflHbIX ΠΙΤβΜΠΟΒΟΗΗωΧ HHCTpyMeHTOB, C HOBOfi HJIH Η3ΜβΗ~noň φορΜοϋ. flflH 3τογο cepnn npoBOflOB, a TaK®e coeflHHHromHe hx BHýTpeHHeeh Bueiniiee KOJibfla o6pa6oTkn RonjKHbí rioKpbiBaTbcn c o6enx ctopoh MeTaJUiHnec-κογο JiHCTa, rjiaBHbíM oSpaaoM MeflHoro JiHCTa 6oní>nieň τοππίΗΗω KOHrpysHTHoflpyr κ flpyry aamHTHbíM naKOM, a npoMexyTKK βμτρηβπητβοη nocpeflCTBoM nponec·ca TpaBJíeHHH. npHSHano H3o6peTeHHeM no peayjtbTaTaM 3KcnepTH3bi, ocymecTBJíeHHoft· BeflOMCT-bom no p;ejiaM HsoSpeTeHHH η πβτθητοβ FflP. 249780T β abi abi abi τ abi abi abi abi abi abi B B B B B B oj oj oj oj oj oj oj oj oj oj oj oj oj oj oj oj oj oj oj oj oj oj oj oj oj 6ea flnHTejibHbix noflroTOBHTejibHbix pa6oT, Kax one TpeCyeT-Cfl WIH Η3ΓΟΤΟΒΙΙβΗΗΗ TOflHbIX ΠΙΤβΜΠΟΒΟΗΗωΧ HHCTpyMeHTOB, C HOBOfi HJIH Η3ΜβΗ ~ no φορΜοϋ. flflH 3τογο cepnn npoBOflOB, and tak coeflHHHromHe hx BHýTpeHHeeh Bueiniiee KOJibfla o6pa6oTkn RonjKHbí rioKpbiBaTbcn c o6enx ctopoh MeTaJUiHnec-κογο JiHCTa, rjiaBHbíM oSpaaoM MeflHoro JiHCTa 6oní> Nien τοππίΗΗω KOHrpysHTHoflpyr κ flpyry aamHTHbíM Nako, and npoMexyTKK βμτρηβπητβοη nocpeflCTBoM nponec · ca TpaBJíeHHH. npHSHano H3o6peTeHHeM no peayjtbTaTaM 3KcnepTH3bi, ocymecTBJíeHHoft · BeflOMCT-bom no p M h HsSpeTeHHH η πβτθητοβ FflP. 249780
Claims (2)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DD23914382A DD211935A3 (en) | 1982-04-20 | 1982-04-20 | PROCESS FOR PRODUCING DEVELOPMENTS FOR DISC MACHINES |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CS202483A1 CS202483A1 (en) | 1985-06-13 |
| CS249780B1 true CS249780B1 (en) | 1987-04-16 |
Family
ID=5538023
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CS832024A CS249780B1 (en) | 1982-04-20 | 1983-03-24 | Method of etched plates' production and application |
Country Status (4)
| Country | Link |
|---|---|
| CS (1) | CS249780B1 (en) |
| DD (1) | DD211935A3 (en) |
| DE (1) | DE3308900A1 (en) |
| FR (1) | FR2525423A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4218364A1 (en) * | 1992-06-05 | 1993-12-09 | Thomson Brandt Gmbh | Data recording and/or reproducing appts. using movable recording medium - has PCB construction with mounted motor windings and mechanical chassis for motor rotors |
-
1982
- 1982-04-20 DD DD23914382A patent/DD211935A3/en unknown
-
1983
- 1983-03-12 DE DE19833308900 patent/DE3308900A1/en not_active Withdrawn
- 1983-03-24 CS CS832024A patent/CS249780B1/en unknown
- 1983-04-15 FR FR8306186A patent/FR2525423A1/en active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| DD211935A3 (en) | 1984-07-25 |
| FR2525423A1 (en) | 1983-10-21 |
| DE3308900A1 (en) | 1983-10-27 |
| CS202483A1 (en) | 1985-06-13 |
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