Specifies requirements for unglazed spectacle frames made from all types of materials and intended for use with corrective lenses. Establishes two performance grades, one for general use, the other for children’s frames where a period of use not exceeding one year is anticipated.
Original price was: $160.02.$80.00Current price is: $80.00.
Spectacle frames. Specification for general requirements
BSI Group , 02/28/1985
Pages: 14
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