Device for continuous sampling in a distillation column for topping crude petroleum
GB1464334A
Process for the production of citric and isocitric acids by a culture of a diploid candida lipolytica yeast
GB1452709A
Automatic safety gatevalve
GB1463601A
Safety plug for sealing-off the tubing in a deep producing well
GB1463320A
Method of conversion of hydrocarbons
GB1459909A
Device for automatic analysis by mass spectrometry
GB1382957A
Tool for laying production liners by cable in wells
GB1432237A
Device for automatic adjustment of the amplitude of alternating signals
GB1430625A
Process and apparatus for increasing the concentration of oxygen or nitrogen in air
GB1410427A
Method for measuring and adjusting the relative displacement between binary signals corresponding to information recorded on the different tracks of a kinematic magnetic storage device
GB1358527A
Apparatus for measuring the index of filterability of a liquid
