icon_export/16/menu
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Menu
icon_export/16/close
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Close
icon_export/16/user
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Login
icon_export/16/cart
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Cart
icon_export/16/search
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Search Tips
Advanced Search
icon
Created with Sketch.
Preview
icon_export/16/doctype
Created with Sketch.
Standard
icon_export/16/info
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UPDATE AVAILABLE
AS H48-1949
[Superseded]
Published:
01/01/1949
Content history
Content history
BS 1470:1948
AS H48-1962
[Superseded]
