Số hiệu tiêu chuẩn
SANS 9177-1:1989*SABS ISO 9177-1:1989
Tên tiêu chuẩn
Mechanical pencils Part 1: Classification, dimensions, performance requirements and testing
Ngày phát hành
1995-04-05
Tiêu chuẩn tương đương
ISO 9177-1 1989 IDT
Tiêu chuẩn liên quan
ISO 128 * ISO 9177-2
Từ khóa
CLASSIFICATION SYSTEMS * DESIGNATIONS * DIMENSIONS * DRAWING OFFICE EQUIPMENT * MECHANICALLY-OPERATED DEVICES * PENCILS * PERFORMANCE * PERFORMANCE TESTING * SPECIFICATIONS * STATIONERY * TOLERANCES * Mechanically-operated devices * Drawing office equipment * Output capacity * Classification systems * Efficiency * Power * Stationery * Pencils * Designations * Performance testing * Specifications * Performance * Dimensions