Public transport. Reference data model - Informative documentation Ingestion-build-47553 BS EN IEC 62885-4 discusses

BS EN IEC 62885-4 discusses the performance characteristics of cordless dry vacuum cleaners

covered by this document is from 4 mm to 45 mm

BS EN 60512-25-3 describes a method for measuring the effect a specimen has on the rise time of a signal passing through it

BS EN 16604‑20 is part of a series of documents that specifies the planetary protection requirements for spaceflight missions based on the COSPAR planetary protection policy and requirements

Public transport. Reference data model - Informative documentation Ingestion-build-47553 BS EN IEC 62885-4 discussesWhat is PD CEN TR 12896 9 Reference Data Model for Public Transport Information about? A Reference data model is an abstract model that organizes Business Information Entities (BIEs) and standardizes how they relate to one another and to the real world. The model provides a standard means by which data may be described, categorized and also shared. PD CEN TR 12896 series provides guidelines for implementing data models for public transport systems