Chemical analysis of copper and copper alloys; photometric determination of iron in copper and copper alloys containing 0,4 % of iron at maximum— 2 стр.
Electric immersion heating elements; screw-in type, G 1 1/2 B thread with metal-sheathed tubular heating elements of 6,5 and 8,5 mm diameter; dimensions and input rating— 2 стр.
Pipelines of unplasticized polyvinyl chloride (PVC-U) on ships, with cold-welded joints; requirements, dimensions for bonding, summary of components— 10 стр.