PL108824B1
(en )
1980-04-30
Method of lignite enrichment
GR65229B
(en )
1980-07-30
Improvements in or relating to organic compounds
JPS51131351A
(en )
1976-11-15
Visual electronic cell hydrometer
JPS52133013A
(en )
1977-11-08
Concentration of illumenite ore
JPS5381191A
(en )
1978-07-18
Oxygen concentration sensor
GR65014B
(en )
1980-06-13
Improvements in or relating to organic compounds
ZA77151B
(en )
1978-08-30
Improvements in or relating to organic compounds
CS181637B1
(en )
1978-03-31
Method of chlorine determination in organic compound with mercury content
ZA775818B
(en )
1979-05-30
Improvements in or relating to organic compounds
JPS52113548A
(en )
1977-09-22
Electrolytic concentration method of sludge
ZA775687B
(en )
1979-04-25
Improvements in or relating to organic compounds
ZA77579B
(en )
1978-09-27
Improvements in or relating to organic compounds
ZA776138B
(en )
1979-05-30
Improvements in or relating to organic compounds
JPS5384923A
(en )
1978-07-26
Method of dechlorizing organic chlorine compound
AU1980576A
(en )
1978-05-25
Concentration of electrolyte
ZA772935B
(en )
1979-01-31
Improvements in or relating to organic compounds
ZA773428B
(en )
1979-01-31
Improvements in or relating to organic compounds
ZA77510B
(en )
1978-09-27
Improvements in or relating to organic compounds
JPS5378876A
(en )
1978-07-12
Concentration correction method
JPS5381190A
(en )
1978-07-18
Oxygen concentration sensor
ZA767714B
(en )
1978-08-30
Improvements in or relating to organic compounds
ZA77511B
(en )
1978-09-27
Improvements in or relating to organic compounds
JPS54140494A
(en )
1979-10-31
Ferric chloride concentration cell
JPS52134498A
(en )
1977-11-10
Mud content meter
CH614965A5
(en )
1979-12-28
Method of stabilising organic materials