不锈钢防水透气阀
黄铜防水透气阀
塑胶防水透气阀
铝合金防水透气阀
防水等级测试仪
透气性测试仪
气密性检测仪
PUWM24*1.5-15
PUWM5*0.8-4
PUWM12*1.5-10-25(高透气量..
PUWM8*1.0-6
PUWM10*1.0-6
PUWM12*1.5-6
PUWM6*0.8-6
PSM12*1.5-6
PAM6*1.0-4
PSM5*0.8-4
PUWM12*1.5-10
PUWM12*1.25-10