Ships and marine technology. Navigation and ship operations. Guidelines for onboard telephone equipment Ingestion-build-47182 Additional tests are undertaken were

Additional tests are undertaken were and agreed upon between customer and manufacturer to establish the compatibility between the cable sheath and the glue or the plaster

This British Standard supersedes DD 191:1990 which is withdrawn

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PE-X fusion fittings and mechanical fittings) for the supply of category D and category E gaseous fuels (see ISO 13623) at:

Ships and marine technology. Navigation and ship operations. Guidelines for onboard telephone equipment Ingestion-build-47182 Additional tests are undertaken wereWhat is ISO 21792 Guidelines for onboard telephone equipment about? ISO 21792 provides general and specific recommendations related to the quality of communication, connectivity, installation, performance and maintenance of onboard telephone equipment, including automatic telephones, common battery telephones, battery less telephones and sound powered telephones. It also specifies requirements for the related performance tests (shop tests and onsite