LJ1B4-5-Z/BIY,LJ1B4-5-Z/AIY,LJ1B4-5-Z/CIY,LJ1B4-5-Z/BY,LJ1B4-5-Z/AY,电感式接近开关 LJ1B4-5-Z/BIY,LJ1B4-5-Z/AIY,LJ1B4-5-Z/CIY,LJ1B4-5- 无锡市昌林自动化科技有限公司