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BS 4841-1:2006

Действует
Rigid polyisocyanurate (PIR) and polyurethane (PUR) products for building end-use applications, Specification for laminated insulation boards with auto-adhesively or separately bonded facings — 18 стр.
BS 4841-1:1993
Заменен
BS 4841-1:1975
Заменен
BS 4841-1:2006
Действует