ISO 8656-1
Refractory products; sampling of raw materials and unshaped products; part 1: sampling scheme
Feuerfeste Erzeugnisse; Probenahme von Rohstoffen und ungeformten Erzeugnissen; Teil 1: Probenahmeplan
Responsible national committee
NA 062-08-111 AA - Unshaped, dense shaped and insulating refractory products and materials