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IS0
FOR STAN DARD I Z AT1 O N
I NT ERN AT1 ON A L ORGAN I Z AT I O N
IS0 RECOMMENDATION
R 301
ZINC ALLOY INGOTS
1st ED IT I ON
April 1963
COPYRIGHT RESERVED
The copyright of IS0 Recommendations and IS0 Standards
belongs to IS0 Member Bodies. Reproduction of these
documents, in any country, may be authorized therefore only
by the national standards organization of that country, being
a member of ISO.
For each individual country the only valid standard is the national standard of that country.
Printed in Switzerland
Also issued in French and Russian. Copies to be obtained through the national standards organizations.
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BRIEF HISTORY
The IS0 Recommendation R 301, Zinc Alloy Ingots, was drawn up by Technical Com-
mittee ISO/TC 18, Zinc and Zinc Alloys, the Secretariat of which is held by the Institut Belge
de Normalisation (IBN).
Work on this question by the Technical Committee began in 1956 and led, in 1960, to the
adoption of a Draft IS0 Recommendation.
In February 1961, this Draft IS0 Recommendation (No. 437) was circulated to all the
IS0 Member Bodies for enquiry. It was approved by the following Member Bodies:
Australia Greece Portugal
Austria India Romania
Belgium Iran Spain
Brazil
Italy Sweden
Canada Japan Switzerland
Chile Mexico United Kingdom
Colombia Netherlands Yugoslavia
Denmark New Zealand
France Poland
One Member Body opposed the approval of the Draft: Germany.
The Draft IS0 Recommendation was then submitted by correspondence to the IS0 Council,
which dec
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