JPS5223016A
(en )
1977-02-21
Method of purification acetic acid
JPS51143601A
(en )
1976-12-10
Selective hydrogenation method of polyyunsaturated compound
JPS5217413A
(en )
1977-02-09
Method of purification acetic acid
JPS5416501A
(en )
1979-02-07
Solvent purification method of coal
JPS5416502A
(en )
1979-02-07
Solvent purification method of coal
JPS51127009A
(en )
1976-11-05
Method of epoxization of ethylenicallyyunsaturated compounds
GB1544718A
(en )
1979-04-25
Method for attachment of one member to another
JPS53101347A
(en )
1978-09-04
Method for purification of crude diphenol
IL49928A0
(en )
1976-08-31
Purification of crude phosphoric acid
JPS51124121A
(en )
1976-10-29
Process for diazotization of aromatic amine
JPS5371051A
(en )
1978-06-24
Method of purifying crude anthraquinone
CS179851B1
(en )
1977-12-30
Method for purification of crude aniline
JPS5246003A
(en )
1977-04-12
Method of purification of chlorinated hydrocarbon
JPS52153954A
(en )
1977-12-21
Purification method of ulsodeoxycholic acid
JPS51133230A
(en )
1976-11-18
Purifying method of chlorbutylonitlile
JPS5278861A
(en )
1977-07-02
Isolating method of ursodeoxycolic acid
JPS51118723A
(en )
1976-10-18
Process for purification of crude sulfonic acid
CS178698B1
(en )
1977-10-31
Method for purification of crude 3,6-endomethylen-delta4-tetrahydrophtalic acid
JPS51133371A
(en )
1976-11-19
Method of fixing two members
CS180289B1
(en )
1977-12-30
Method of purification of nitrobenzene
JPS5297923A
(en )
1977-08-17
Method of purifying aminophenol
CS180353B3
(en )
1977-12-30
Method for production of aniline
SU648559A1
(en )
1979-02-25
Method of purifying dioxydiphenylsulfone
JPS51112907A
(en )
1976-10-05
Fixing method of segment
BG24675A3
(en )
1978-04-12
Method of isolating diindoalkaloids