Determination of roughnesse parameters R<(Index)a>, R<(Index)z>, R<(Index)max> by means of electrical stylus instruments; conversation of parameter R<(Index)a> to R<(Index)z> and vice versa— 2 стр.
Tensile testing of metallic materials; method of test at ambient temperature (including Corrigendum AC1:1990); german version EN 10002-1:1990 and AC 1:1990
Welded Steel Pipes in Unalloyed and Low Alloy Steels for Supply Purposes, Process Plant and Tanks; General Specifications, Survey, Recommendations for Use— 6 стр.
Pipes and fittings of longitudinally welded hot-dip galvanized steel pipes with spigot and socket for waste water systems - Part 1: Requirements, testing, quality control; German version EN 1123-1:1999— 19 стр.
Tendering and performance stipulations in contracts for construction works (VOB); part C: general technical specifications in contracts for construction works (ATV); installation of central heating systems and hot water supply systems— 20 стр.
Contract procedures for building works - Part C: General technical specifications for building works; Systems for heating and central water heating— 21 стр.
Contract procedures for building works - Part C: General technical specifications for building works - Systems for heating and central water heating— 21 стр.
Contract procedures for building works - Part C: General technical specifications for building works; systems for heating and central water heating— 21 стр.
Construction contract procedures (VOB); part C: general technical specifications in construction contracts (ATV); installation of central heating systems and hot water supply systems— 20 стр.
