IT1143770B
(it )
1986-10-22
Catalizzatore per la produzione di ammoniaca,preparazione di tale catalizzatore e processo catalitico
BE825417A
(fr )
1975-08-11
Procede de preparation d'un aromate, produit obtenu et ses applications
IE37788L
(en )
1973-12-12
Process for preparing urea
KR880006154A
(ko )
1988-07-21
알데히드의 제조 방법
ES8306103A1
(es )
1983-05-01
"un procedimiento mejorado para la preparacion de urea".
GB1353653A
(en )
1974-05-22
Urea synthesis
KR830000222A
(ko )
1983-03-30
구아딘의 제조방법
KR920007980A
(ko )
1992-05-27
에틸아민의 합성방법
KR840002765A
(ko )
1984-07-16
2-히드록시나프탈렌-6-카르복실산의 선택적 제조방법
ES408273A1
(es )
1975-11-16
Procedimiento para la preparacion de 4-cloro-2,5-dimetoxi-anilina.
JPS5422323A
(en )
1979-02-20
Preparation of urea for industrial uses
KR830002805A
(ko )
1983-05-30
셀룰라아제-제거 크산탄 검의 제조방법
ES436964A1
(es )
1977-02-01
Procedimiento para la preparacion de 3, 6-bis-(2-metilmer- captoetil)-2, 5-piperazindiona.
JPS5239626A
(en )
1977-03-28
Separation and recovery process of unreacted material on urea synthesi s
KR850006537A
(ko )
1985-10-14
과붕산나트륨 1수화물의 제조방법
GB1474600A
(en )
1977-05-25
Process for producing a phosphonitrilate polymer
GB1016220A
(en )
1966-01-05
Production of urea
KR900701745A
(ko )
1990-12-04
2-클로로-4-톨루엔술폰산의 제조방법
KR830010091A
(ko )
1983-12-26
구연산 나프티드로푸릴의 제조방법
GB1402453A
(en )
1975-08-06
Production of nickel sulphate
GB1476486A
(en )
1977-06-16
Method of producing metallic copper
KR830001253A
(ko )
1982-04-29
3-메틸-2-(카복시-β-하이드록시에틸아미도)-퀴녹살린-1,4-디옥사이드의 제조방법
JPS52147584A
(en )
1977-12-08
Production of exhaust gas treatment catalyst
ES442260A1
(es )
1977-07-01
Procedimiento para la obtencion de hidrazodicarbonamida.
EG11867A
(en )
1978-03-29
Process for preparing of novel 4,substituted-2,6-dinitroanilines uses as herbicides