IS 3391 : 1965 Specification for Stethoscopes

1 Scope

1.1 This standard lays down the requirements for binauralstethoscopes used for the detection and study of sounds arisingwithin the human or

2 References

IS 2 :1960 Rules for rounding offnumerical values

IS 410 : 1959Specification for rolled brass plate, sheet, strip andfoil

IS 407 : 1961Specification for brass tubes for general purposes

IS 637 : 1955Specification for plain rubber tubing

IS 1068 : 1958Specification for copper, nickel and chromiumelectroplated coatings

IS 1501 : 1959 Method for Vickers hardness test forsteel

IS 1570 : 1961Schedules for wrought steels for general engineeringpurposes

IS 1586 : 1960 Methodfor Rockwell hardness test (B and C scales) forsteel

IS 3234 : 1965 Specification for conical fitting forhypodermicsyringes, needles and other medical equipment, Luer type