ISO TS 16976-4 : 2012已作废
RESPIRATORY PROTECTIVE DEVICES - HUMAN FACTORS - PART 4: WORK OF BREATHING AND BREATHING RESISTANCE: PHYSIOLOGICALLY BASED LIMITS
出版：International Organization for Standardization
专家解读视频
Specifies how to calculate the work performed by a person's respiratory muscles with and without the external respiratory impediments that are imposed by RPD of all kinds, except diving equipment.
DS ISO/TS 16976-4 : 2012 - Identical
XP ISO/TS 16976-4 : 2012 XP - Identical
SA TS ISO 16976.4:2015 - Identical
NEN NPR ISO/TS 16976-4 : 2012 - Identical
XP ISO/TS 16976-4 : 2012 XP - Identical
NEN NPR ISO/TS 16976-4 : 2012 - Identical
DS ISO/TS 16976-4 : 2012 - Identical
SA TS ISO 16976.4:2015 - Identical
