|
PL234147A1
|
|
Plunger-and-piston type metering pump
|
|
PL233453A1
|
|
Voltage controlled pulse generator
|
|
PL233334A1
|
|
Operational amplifier frequency compensation system
|
|
PL232863A1
|
|
Analog-digital converter
|
|
PL232862A1
|
|
System for synchronizing thyristor triggering with a mains voltage phase
|
|
DE2625035A1
|
|
Calorimeter thermal energy measurement method - using electronic circuit with feedback control loop to reduce errors and time taken
|
|
DE2625041A1
|
|
DEVICE FOR PROGRAMMED CONTROL OF ONE REGULAR SIZE, IN PARTICULAR TEMPERATURE
|
