5

Improving the technology for making casing

Year:
1985
Language:
english
File:
PDF, 215 KB
english, 1985
6

Improved teeming of steel for drill-pipe production

Year:
1989
Language:
english
File:
PDF, 52 KB
english, 1989
11

Basicity and electronic structure of the pyrones

Year:
1970
Language:
english
File:
PDF, 473 KB
english, 1970
13

Pyrylocyanines. 9. Isobenzopyrylocyanines

Year:
1980
Language:
english
File:
PDF, 517 KB
english, 1980
14

Arylamides of substituted thiocarboxylic acids

Year:
1966
Language:
english
File:
PDF, 171 KB
english, 1966
15

Pyrylocyanines. 10. Isobenzothiopyrylocyanines

Year:
1980
Language:
english
File:
PDF, 439 KB
english, 1980
16

Pyrylocyanines. 9. Isobenzopyrylocyanines

Year:
1980
Language:
english
File:
PDF, 517 KB
english, 1980
17

Pyrylocyanines. 10. Isobenzothiopyrylocyanines

Year:
1980
Language:
english
File:
PDF, 439 KB
english, 1980