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Unfolded surfaces computations
Unfolded surface of a vent oblique adapter from a rectangular section to a round one
Unfolded surface of a vent asymmetrical adapter from a rectangular to a round one
Unfolded lateral surface of a symmetrical vent duct wye
Unfolded surface of an oblique vent tee branch with offset axes
Unfolded lateral surface of an eccentric tapered increaser (option 1)
Unfolded lateral surface of an eccentric tapered increaser (option 2)
Part of a vent Rihter's fitting
Reinforcing pad of a vent duct oblique tee
Reinforcing pad of a vent pipe branch
Unfolded lateral surface of segment of a vent pipe elbow
Unfolded surface of symmetrical adapter from rectangular cross-section to round
Unfolded simple conus
Unfolded lateral surface of frustum
Truncated cone's lateral surface
Unfolded cylinder
Lateral surface of branch of oblique vent tee (d < D)
Lateral surface of branch of vent tee (d < D)
Lateral surface of branch of vent tee (d = D)
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