Standard Specification for Titanium and Titanium-6 Aluminum-4 Vanadium Alloy Powders for Coatings of Surgical Implants Ingestion-build-48068 ISO 21806-7 gives CTC that

ISO 21806-7 gives CTC that verifies that a network frame consists of a network indicator of type PREAMBLE

Radio transmitters

PD 6687:2006 gives:

data link layer specifications and Layer 2 network capability

it provides a strategically based framework or scheme which aims to direct and lead the organization’s approach

Standard Specification for Titanium and Titanium-6 Aluminum-4 Vanadium Alloy Powders for Coatings of Surgical Implants Ingestion-build-48068 ISO 21806-7 gives CTC that1. Scope* 1. 1 This specification covers the requirements for unalloyed titanium and Ti 6Al 4V alloy powders for use in fabricating coatings on titanium alloy implants.