… tubes, pipes, sheaths, rods and slide gates), other than those of siliceous fossil meals or of similar siliceous …
Explanatory notes
… tubes, pipes, sheaths, rods and slide gates), other than those of siliceous fossil meals or of similar siliceous … fixtures in construction work. The heading does not , however, include Seger cones (ceramic firing testers) (see … “free carbon” applies to carbon species such as graphite, amorphous carbon (carbon black) and organic carbon (pitch, …