| Ventilation for non-residential buildings. Performance requirements for ventilation and room-conditioning systems.
Вентиляция в нежилых зданиях. Технические требования к системам вентиляции и кондиционирования. |
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FAVT 41Approval and introduction of federal aviation … |
GOST 8639-82Square steel pipe. Range of sizes |
FATRM 64Nomenclature of products the conformity of … |