BS 639:1969

Specification. Covered electrodes for the manual metal-arc welding of mild steel and medium tensile steel. Metric units.

NORMA vydána dne 29.9.1969

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Tištěné (6094.90 CZK)

The information about the standard:

Designation standards: BS 639:1969
Note: NEPLATNÁ
Publication date standards: 29.9.1969
Approximate weight : 300 g (0.66 lbs)
Country: British technical standard
Kategorie: Technické normy BS