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PNEUMATICALLY DRIVEABLE VALVE ACTUATOR AND METHOD OF LOCKING A VALVE CLOSURE ELEMENT RELATIVE TO A VALVE BODY
PNEUMATICALLY DRIVEABLE VALVE ACTUATOR AND METHOD OF LOCKING A VALVE CLOSURE ELEMENT RELATIVE TO A VALVE BODY
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机译:气动式阀门致动器和锁定与阀门阀体有关的阀门关闭元件的方法
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摘要
A method of locking a valve closure element relative to a valve body of a valve that is controllable by a pneumatically driven actuator is also disclosed.
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