st amp; all; rungsanzeigevorrichtung r amp; t.; r vacuum cleaner

摘要

st & all; rungsanzeigevorrichtungr & r for a vacuum cleaner.with a kolbengeh & auml; use(1) in which a movable piston (4) is arranged bya spring (5) in an end position gedr & t.; ckt and with a pressure differencecontrary to the federwirkung is characterizedthe spring (5) made of plastic is shaped.