NFPA 91 材料气压传输过程中的排气系统标准
日期:2012-02-09 14:22
applicable NFPA standards.
Key changes in the 2010 Standard include
Updated definitions for consistency with other particulate solids documents, such as NFPA 654 Standard for the Prevention of Fire and Dust Explosions from the Manufacturing, Processing, and Handling of Combustible Particular Solids
Amended scope and application clarify that the provisions are intended to provide protection against fire and explosion hazards.
Revised requirements pertaining to access to ducts for purposes of
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