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ANSI/BHMA A156.31-2019
Electric Strikes And Frame Mounted Actuators
ANSI/BHMA A156.31 establishes requirements for Electric Strikes and Frame Mounted Actuators, and includes operational and finish tests. Tests described in this Standard are performed under laboratory conditions. In actual usage, results vary because of installation, maintenance and environmental conditions.
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Builders Hardware Manufacturers Association [bhma]