帮助中心
配方类型:
METALS AND THEIR TREATMENT
配方说明:
Brazing Flux (U.S. Patent 2,493,372)
配方组成:
Cryolithionite/1
Zinc Chloride/7
"Cellosolve"/40
Ammonium Chloride/2
配制方法:
联系我们
咨询反馈