Silencing device for indoor ventilation fan

The utility model relates to the technical field of silencing devices, and discloses a silencing device for an indoor ventilation fan, which comprises a main body assembly, an adjusting assembly is arranged in the shell; the rotary knob is arranged at the bottom of the shell, the inner side wall of...

Ausführliche Beschreibung

Bibliographische Detailangaben

1. Verfasser:	GUO JIANLEI
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	BLASTING HEATING LIGHTING MECHANICAL ENGINEERING NON-POSITIVE DISPLACEMENT PUMPS POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC FLUIDS WEAPONS
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