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1975-10-28
Apparatus for machining through varying-frequency constant-duration pulse-controlled electric discharges
GB1083788A
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1967-09-20
Operating circuit for an electrostatic precipitator
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1967-12-12
Pulse width modulation control systems for controlling direct current motors
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1976-03-10
Method and a device for controlling the positional adjustment of tool-forming electrodes for electroeroding conducting work pieces
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1979-09-18
AC voltage regulator
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1976-12-07
Timing sequence control system for electrical discharge machining
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1964-04-28
Arc welding system
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1973-04-24
Electrical discharge machining device using logical control
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1971-01-26
Electrical discharge machining servo control circuit
US4357516A
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1982-11-02
EDM Method and apparatus utilizing successive trains of elementary pulses with controlled pulse-off periods
GB1213648A
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1970-11-25
Electric discharge machining apparatus
GB1178770A
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1970-01-21
Control Arrangement for Electro-Erosive Working
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1972-08-22
Servosystem for gap electrical machining processes (especially electroerosion)
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1973-12-25
Servosystem for electrical machining processes
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1960-05-17
Pulsing methods and apparatus for the control of movable members
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1961-07-04
Pulse generator circuit
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1960-03-22
Transistorized acceleration time rate delay circuit for direct current motor speed controller
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1973-04-10
Electrical discharge machining servo control circuit
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1970-09-29
Servocontrol circuit for electrical discharge machining apparatus
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1965-12-21
Generator voltage regulating apparatus
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1971-06-15
Electric discharge machining circuit for eliminating concentrated discharges
US3163779A
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1964-12-29
Pulse divider employing threshold device triggered by coincidence of tryout pulses and synchronized rc-delayed pulses
US3542989A
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1970-11-24
Short circuit protection system for electrical discharge machining apparatus
GB1225256A
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1971-03-17
SU395205A1
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1973-08-28