BS 497:1952
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This British Standard specifies requirements for manhole covers and frames and for road gully gratings, covers and frames, intended for use in drainage works.
All current amendments available at time of purchase are included with the purchase of this document.
Product Details
- Published:
- 02/20/1956
- Number of Pages:
- 17
- File Size:
- 1 file , 2.1 MB
- Product Code(s):
- 30305671, 30305671, 30305671