JIS M 8016:1991 (R2017) Testing methods of filler and coating clay for paper
JIS R 1503:1991 (R2016) Testing methods for acid proof porcelain of chemical industry
JIS R 3311:1991 (R2007) Ceramic fiber blanket
JIS R 1536:1991 (R2007) Acid and heat resisting bricks for chemical industry
JIS A 5350:1991 (R2001) Fiberglass reinforced plastic mortar pipes
JIS A 4421:1991 (R2013) Drain with traps for equipment units
JIS K 2209:1991 (R2016) Aviation turbine fuels
JIS K 2206:1991 (R2016) Aviation gasoline
JIS H 7006:1991 (R2015) Glossary of terms used in metal matrix composites
JIS Z 9204:1991 (R2016) General rules for energy evaluation method by available energy
JIS Z 8716:1991 (R2016) Fluorescent lamp as a simulator of CIE standard illuminant D65 for a visual comparison of surface colours - Type and characteristics