NORMSERVIS s.r.o.

ČSN 420621-21 (420621)

Chemical testing of non-ferrous metals and alloys. Chemical analysis of pure copper. Determination of silicon. Photometric method. Arbitration method

STANDARD published on 2.6.1971

Print design (3.00 USD)

The information about the standard:

Designation standards: ČSN 420621-21
Classification mark: 420621
Catalog number: 3654
Note: WITHDRAWN
Publication date standards: 2.6.1971
The number of pages: 4
Approximate weight : 12 g (0.03 lbs)
Country: Czech technical standard
Category: Technical standards ČSN