约有27,008,918篇,以下是第1-10篇
BS 497-1-1976Specification for manhole covers, road gully gratings and frames for drainage
BS 5354-1976 Specification for laminated pressboard for electrical purposes.
BS 4900-1976 Specification for vitreous enamel colours for building purposes.
BS 245-1976 Specification for mineral solvents white spirit and related hydrocarbon solvents
MANHOLE AND GULLY COVERS CONTENTS - …
BS 4620-1970 Specification for rivets for general engineering purposes.
BS 6708-1977 Specification for trailing cables for mining purposes.
Manhole or road gully
BS 4800-1981 Specification for paint colours for building purposes.
BS 5252-1976 Framework for colour co-ordination for building purposes.