[特征]●预防特定化学物质 的法规，第15条<符合阀门开放和关闭方向的指示等。 ●Refrigeration Safety Rules, General High Pressure Gas Safety Rules, Liquefied Petroleum Gas Safety Rules, Ministry of Labor Ordinance
[Specifications] ●Size (mm): 50 rounds x 1 ●K2 ●Double-sided varnish
The color and size of the indicator board are not specified.
