QC/T 615-2011
B型通孔式嵌装塑料螺母
Plastic expansion nut with open end. Type B
2011-12-20
QC/T 616-2011
C型通孔式嵌装塑料螺母
Plastic expansion nut with open end. Type C
2011-12-20
QC/T 890-2011
D型通孔式嵌装塑料螺母
Plastic expansion nut with open end. Type D
2011-12-20
QC/T 879-2011
E型通孔式嵌装塑料螺母
Plastic expansion nut with open end. Type E
2011-12-20