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CECS : 6694 Calculation procedure for the protection distance between AC high voltage overhead transmission lines and short wave radio direction finding stations and receiving stations CECS66:94

CECS : 6694
CECS : 6294 Engineering design specification for sound reinforcement communication systems in industrial enterprises CECS62:94

CECS : 6294
CECS: 49-1993 Acceptance regulations for low voltage complete switchgear CECS49:93

CECS :49-1993
CECS : 3892 Code for Design and Construction of Steel Fiber Reinforced Concrete Structures CECS38:92

CECS : 3892
CECS: 3691 Industrial enterprise dispatch telephone and conference telephone engineering design specification CECS36:91

CECS : 3691
CECS : 3191 Steel Cable Tray Engineering Design Specification CECS31:91

CECS : 3191
CECS: 2290 Soil anchor design and construction specifications CECS22:90

CECS : 2290
CECS : 21-2000 Technical specification for ultrasonic detection of concrete defects CECS21:2000

CECS : 21-2000