GB/T 4507-1999

Standard test method for softening point of bitumen (ring-and-ball apparatus)

NORMA vydaná dňa 10.8.1999

The information about the standard:

Designation standards: GB/T 4507-1999
Note: NEPLATNÁ
Publication date standards: 10.8.1999
Country: Chinese technical standard
Kategória: Technické normy GB