Degrees of protection of enclosures; protection of persons against contact with live parts, protection of equipment against ingress of solid foreign bodies and of water, small transformers till 16 kVA— 3 стр.
Process heat installations for more than one kind of energy; one boiler for solid fuel and one for oil or gas and only one chimney; safety requirements and tests— 10 стр.
German construction contract procedures - Part C: General technical specifications for building works - Systems for heating and central water heating— 28 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.
German construction contract procedures (VOB) - Part C: General technical specifications in construction contracts (ATV) - Installation of central heating systems and hot water supply systems— 27 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.
German construction contract procedures (VOB) - Part C: General technical specifications in construction contracts (ATV) - Installation of central heating systems and hot water supply systems— 28 стр.
