电感式接近开关,J18M-D5NK,J18M-D5NH,J18M-D5NT,J18M-D5PK,J18M-D5PH,J18M-D5PT， J18M-D5NK,J18M-D5NH,J18M-D5NT,J18M-D5PK,J18M-D5PH, 无锡市昌林自动化科技有限公司