DIFF Subgroup
G05D 16/0608 Full Title
Control of fluid pressure > without auxiliary power > the sensing element being a flexible membrane, yielding to pressure, e.g. diaphragm, bellows, capsule
G05D 16/0608 Control of fluid pressure > without auxiliary power > the sensing element being a flexible membrane, yielding to pressure, e.g. diaphragm, bellows, capsule