DE2861427D1
(en )
1982-01-28
Method for the preparation of nucleosides
JPS542671A
(en )
1979-01-10
Method of producing semiconductor
JPS5446485A
(en )
1979-04-12
Method of producing semiconductor
JPS53128286A
(en )
1978-11-09
Method of producing semiconductor
JPS5427376A
(en )
1979-03-01
Method of producing semiconductor
JPS5419677A
(en )
1979-02-14
Method of producing semiconductor
JPS5422159A
(en )
1979-02-19
Method of producing semiconductor
GR65350B
(en )
1980-08-18
Method for the preparation of 2,6-diaminonouoularins
JPS5439330A
(en )
1979-03-26
Nitriding method
GR62157B
(en )
1979-03-01
Preparation process of 1,2,5-triazine-2,6-dione
EG12834A
(en )
1979-12-31
Process for preparing of melamine
GR65275B
(en )
1980-07-31
Method for the preparation of 2,3-polymethyleno-4-oxo-4h-pyrido(1,2-a)pyrimidins
DE3060796D1
(en )
1982-10-28
Method for the preparation of melamine
DE2860107D1
(en )
1980-11-13
Process for the preparation of 4,6-dihalogeno-1,3,5-triazines
DE2860211D1
(en )
1981-01-08
Process for the preparation of alpha-hydroxy-beta,beta-dimethyl-gamma-butyrolactone
DE2860663D1
(en )
1981-08-06
Process for the preparation of formaldehyde
CS189514B1
(en )
1979-04-30
Method of preparing n2,n2,n4,n4,n6,n6-hexaphenyl melamine
JPS5451388A
(en )
1979-04-23
Method of producing semiconductor
JPS543466A
(en )
1979-01-11
Method of producing semiconductor
BG30530A1
(en )
1981-07-15
Method for obtaining of 2, 4- dioxy- hexahydro- 1, 3, 5- triazine
GR65022B
(en )
1980-06-16
Method for the preparation of new substituted i-piperazinylo-triazolo-thieno-1,4-diazepines
JPS5459307A
(en )
1979-05-12
Plywood producing method
CS192333B1
(en )
1979-08-31
N2,n2,n4,n4,n6,n6,-hexakis-2,4-dinitrophenyl/melamine and process for preparing thereof
JPS5432969A
(en )
1979-03-10
Method of producing semiconductor
JPS542309A
(en )
1979-01-09
Plywood producing method