CNS 4508-1986 Jacks Telephone (Type JJ-016 JJ-017 JJ-024 JJ-035 JJ-072 JJ-084 JJ-085 JJ-086 and JJ-087)《电话插口(JJ–016,JJ–017,JJ–024,JJ–035,JJ–072,JJ–084,JJ–085,JJ–086及JJ–087型)》.pdf

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