ISO 9885:1991 pdf download – Wide-mouth glass containers一Deviation from flatness of top sealing surface一Test methods
ISO 9885:1991 pdf download – Wide-mouth glass containers一Deviation from flatness of top sealing surface一Test methods. 4 Principle 4.1 Quick check to determine whether the top sealing surlice meets predetermined flatness requfroments. 4.2 Maasuremnnt of ihe dislarice between the top sealing...