博格曼BPG/Burgmannpackings，石墨填料环 185*195*4
博格曼BPG/Burgmannpackings，石墨填料环 44*60*8
博格曼BPG/Burgmannpackings，石墨填料环 38*56*9
博格曼BPG/Burgmannpackings，石墨填料环 45*61*8
博格曼BPG/Burgmannpackings，石墨填料环 34*50*15
博格曼BPG/Burgmannpackings，石墨填料环 46*62*8
博格曼BPG/Burgmannpackings，石墨填料环 60*70*8
博格曼BPG/Burgmannpackings，石墨填料环 90*106*5
博格曼BPG/Burgmannpackings，石墨填料环 114*130*4
博格曼BPG/Burgmannpackings，石墨填料环 54*80*4.5
博格曼BPG/Burgmannpackings，石墨填料环 35*53*10
博格曼BPG/Burgmannpackings，石墨填料环 105*117*6
博格曼BPG/Burgmannpackings，石墨填料环 162*170*6
博格曼BPG/Burgmannpackings，石墨填料环 65*87*7
博格曼BPG/Burgmannpackings，石墨填料环 63*73*8
博格曼BPG/Burgmannpackings，石墨填料环 82*90*8
博格曼BPG/Burgmannpackings，石墨填料环 33*52*10
博格曼BPG/Burgmannpackings，石墨填料环 70*90*5
博格曼BPG/Burgmannpackings，石墨填料环 167*175*6
博格曼BPG/Burgmannpackings，石墨填料环 50*66*8
