Pipe joints or couplings
Packed
Flanged pipe
Inventor
active
Air duct section having a connecting flange formed by bending up
Air duct section with form fitted connecting flange
Apparatus for connecting the ends of a pair of oval duct section
Apparatus for flanging ventilation duct walls
Butt connection between two air duct sections made sheet of meta
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Profile ID: LFUS-PAI-P-543306