Specification for door closers (hydraulically regulated) :
Bureau of Indian Standards
Specification for door closers (hydraulically regulated) : - - New Delhi BIS 1966 - 8 - Addison-Wesley series in computer science and information processing .
683.37
Specification for door closers (hydraulically regulated) : - - New Delhi BIS 1966 - 8 - Addison-Wesley series in computer science and information processing .
683.37