NBN EN ISO 1179-2 : 2014现行
CONNECTIONS FOR GENERAL USE AND FLUID POWER - PORTS AND STUD ENDS WITH ISO 228-1 THREADS WITH ELASTOMERIC OR METAL-TO-METAL SEALING - PART 2: HEAVY-DUTY (S SERIES) AND LIGHT-DUTY (L SERIES) STUD ENDS WITH ELASTOMERIC SEALING (TYPE E) (ISO 1179-2:2013)
出版：Belgian Standards
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