What is the difference between KT stairs and LT stairs?
14 pages of the figure gives the difference, are applicable to the two-run floor search ladder, the
14 pages of the figure gives the difference, are applicable to the two-run floor search ladder, the difference is KT platform board is three times support, and LT platform board is unilateral support ~
Only the plate is not the same anchor.
Assuming that the KT-type interlayer plate is in the brick-and-concrete structure, the three sides are extended into the wall
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