Concrete, reinforced and prestressed concrete structures - Part 2: Concrete - Specification, properties, production and conformity - Application rules for DIN EN 206-1— 62 стр.
Concrete, reinforced and prestressed concrete structures - Part 4: Additional rules for the production and conformity control of prefabricated elements— 8 стр.
Electroacoustics - Hearing aids - Part 4: Induction loop systems for hearing aid purposes - Magnetic field strength (IEC 60118-4:2006); German version EN 60118-4:2006— 41 стр.
Sound system equipment - Part 16: Objective rating of speech intelligibility by speech transmission index (IEC 60268-16:2003); German version EN 60268-16:2003— 29 стр.
Transmission of audio and/or video and related signals using infra-red radiation - Part 3: Transmission systems for audio signals for conference and similar systems (IEC 61603-3:1997); German version EN 61603-3:1998— 10 стр.
Transmission systems for audio and/or video and related signals using infra-red radiation - Part 7: Digital audio signals for conference and similar applications (IEC 61603-7:2003); German version EN 61603-7:2003— 29 стр.
Graphical symbols for diagrams - Part 2: Symbol elements, qualifying symbols and other symbols having general application (IEC 60617-2:1996); German version EN 60617-2:1996— 40 стр.