housing - bel amp; t.; ftungs and receiv ftungsanlage and professional;

摘要

housing - bel & t.; ftungs and receiv & t.; ftungsanlage with a shaft (12) of mantelsteinen (14) with the shaft (12) arranged, preferably mehrteilig e.g.from keramikmuffenrohren composite innenrohr (22) by lateral anschlu & white; & all; ffnungen in the shaft (12) gef & t.; welcomed air - and / or zuluftleitungen, the lateral arms of the innenrohres (22) are connected, which providesi & w; the shaft of the innenrohr (22) bodenseitig at the bottom of the shaft (12) rising abgest & t.; protect and kopfseitig & t.; on a head of the shaft (12) arranged anschlu & white; plate (26) is required; and & white; between the ow & w; enseite the innenrohrs (22) and the inner walls of the shaft (12), an annular gap (128) is trained for lights.