Explosive atmospheres. Technical requirements and test methods for endurance to environmental factors influencing the peculiarities of operation of equipment in explosive atmospheres
Alternating resistors. Control method of rotation angle or motion of movable system, operation angle of resistor's switch or motion under operation of resistor's switch
Facade's thermo insulation composite systems with external mortar's lays. Method for the determination and classifying of the resistance to the exposure to adverse weather conditions
€10
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