美国Birtcher锁紧条
Birtcher, the home of the original Wedge-Lok , designs, and manufactures, COTS, rugged printed circuit board card guides, conduction cooled frames that are designed for circuit borads requiring cooling in severe environments, such as VME, CompactPCI , PMC applications and extractors for use in non-benign - airborne, shipborne, medical, mobile communications and rugged land-transportation - environments.
产品主要包括：
Wedge-Lok®
Wedge-Tainer™
Lok-Tainer®
PCB-Tainer™
