lead score

lead score, Total:18 items.

The international standard classification for "lead score" includes: Miscellaneous domestic and commercial equipment .

The Chinese standard classification for "lead score" includes: Culture, education and drawing instruments, notebooks and cards .

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Taiwan Provincial Standard of the People's Republic of China

• CNS 11112-1984 Methods of Chemical Analysis for Lead Ingot
• CNS 12763-1990 Method for Separation of Tetraethyllead and Tetramethyllead in Gasoline

General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China

• GB/T 39011.2-2020 Mechanical pencils for technical drawings—Part 2:Black leads—Classification and dimensions
• GB/T 39542.3-2020 Mechanical pencils for technical drawings—Part 3:Black leads—Bending strengths of HB leads
• GB/T 39542.2-2020 Mechanical pencils for technical drawings—Part 2:Black leads—Classification and dimensions

国家市场监督管理总局、中国国家标准化管理委员会

• GB/T 39024-2020 Black leads for wood-cased pencils—Classification and diameters

工业和信息化部

• YS/T 1394-2020 Silver separated residue from lead smelting

CH-SNV

• SNV 41103-1954 lead. Analytical method

GSO

• GSO ISO 9180:2015 Black leads for wood-cased pencils -- Classification and diameters

Association Francaise de Normalisation

• NF E04-707-2*NF ISO 9177-2:1990 Mechanical pencils. Part 2 : balck leads. Classification and dimensions.
• NF X46-032:2008 Lead diagnosis - Methodology for measuring lead in floor dusts

ZA-SANS

• SANS 9177-2:1989 Mechanical pencils Part 2: Black leads - Classification and dimensions

Korean Agency for Technology and Standards (KATS)

• KS D 2088-1987 General rules for Methods for lead analysis of antimony metal

International Organization for Standardization (ISO)

• ISO 9177-2:1989 Mechanical pencils; part 2: black leads; classification and dimensions

CZ-CSN

• CSN ISO 9177-2:1994 Mechanical pencils. Part 2: Black leads, classification and dimensions

American Society for Testing and Materials (ASTM)

• ASTM D1949-79(1984)e1 Test Method for Separation of Tetraethyllead and Tetramethyllead in Gasoline

German Institute for Standardization

• DIN ISO 9177-2:1990 Mechanical pencils; black leads, classification and dimensions; identical with ISO 9177-2:1989

SCC

• BS 334:1982 Specification for compositional limits of chemical lead

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