IS 2268-1988
Specification for electric call bells and buzzers for indoor use
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IS 2268-1988
Standard No.
IS 2268-1988
Release Date
1988
Published By
IN-BIS
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IS 2268-1988
IS 2268-1988 history
1988
IS 2268-1988
Specification for electric call bells and buzzers for indoor use
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