Chemicals used for treatment of water intended for human consumption. Iron(III) chloride.

UNGÜLTIG herausgegeben am 15.1.1999

Chemicals used for treatment of water intended for human consumption. Iron (III) chloride.

UNGÜLTIG herausgegeben am 2.12.2004

Information technology. Telecommunications and information exchange between systems. Protocol combinations to provide and support the OSI network service. General principles.

UNGÜLTIG herausgegeben am 31.5.1991

Information technology. Telecommunications and information exchange between systems. Protocol combinations to provide and support the OSI Network Service.. Provision and support of the connection-mode Network Service.

UNGÜLTIG herausgegeben am 31.5.1991

Information technology. Telecommunications and information exchange between systems. Protocol combinations to provide and support the OSI network service. Provision and support of the connection-mode network service.

UNGÜLTIG herausgegeben am 15.7.1993

Information technology. Telecommunications and information exchange between systems. Protocol combinations to provide and support the OSI network service. Provision and support of the connectionless-mode Network Service.

UNGÜLTIG herausgegeben am 31.5.1991

Information processing systems. Data communications. Use of the X.25 packet level protocol in local area networks.

UNGÜLTIG herausgegeben am 28.2.1991

Information technology. Telecommunications and information exchange between systems. X.25-DTE conformance testing. General principles.

UNGÜLTIG herausgegeben am 15.3.1994

Information technology. Telecommunications and information exchange between systems. X.25-DTE conformance testing. Data link layer conformance test suite.

UNGÜLTIG herausgegeben am 15.10.1992

Information technology. Telecommunications and information exchange between systems. X.25-DTE conformance testing. Data link layer conformance test suite.

UNGÜLTIG herausgegeben am 15.12.1996