12с

1942г

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l HZ

T;8

4/ i"

WELDING RESEARCH COUNCIL

INDUSTRIAL PRACTICE FOR SPOT WELDING LIGHT ALLOYS

(Prepared for the R.52 Sub-Committee on the Spot Welding of Light Alloys by a Panel R.521 on Technique for Spot Welding of Light Alloys)

Issued .... June, 1942