BS 497:1967

Original price was: $264.16.Current price is: $132.00.

Cast manhole covers, road gully gratings and frames for drainage purposes

BSI Group , 08/21/1970

Pages: 32

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This British Standard specifies requirements for:

(1) Cast iron manhole covers, inspection covers and frames.(2) Cast iron and cast steel road gully gratings, and cast iron gully covers and frames.