IS 21-1992
Wrought aluminium and aluminium alloys for manufacture of utensils. Specification(Fourth Revision)
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IS 21-1992
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IS 21-1992
Release Date
1992
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IN-BIS
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IS 21-1992
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1992
IS 21-1992
Wrought aluminium and aluminium alloys for manufacture of utensils. Specification(Fourth Revision)
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