Mechanical pencils; part 3: black leads; bending strengths of HB leads; identical with ISO/DIS 9177-3.
NORMA vydána dne 1.4.1992
Designation standards: E DIN ISO 9177-3:1992-04
Note: NEPLATNÁ
Publication date standards: 1.4.1992
The number of pages: 5
Approximate weight : 15 g (0.03 lbs)
Country: German technical standard
Kategorie: Technické normy DIN
Füllstifte; Teil 3: Graphitminen; Biegefestigkeit von HB-Minen.