博格曼BPG/Burgmannpackings，石墨填料环 145*155*4
博格曼BPG/Burgmannpackings，石墨填料环 162*170*4.5
博格曼BPG/Burgmannpackings，石墨填料环 28*46*9
博格曼BPG/Burgmannpackings，石墨填料环 40*56*8
博格曼BPG/Burgmannpackings，石墨填料环 34*51*8.5
博格曼BPG/Burgmannpackings，石墨填料环 120*130*5
博格曼BPG/Burgmannpackings，石墨填料环 150*160*4
博格曼BPG/Burgmannpackings，石墨填料环 53*61*8
博格曼BPG/Burgmannpackings，石墨填料环 75*90*5
博格曼BPG/Burgmannpackings，石墨填料环 152*160*5
博格曼BPG/Burgmannpackings，石墨填料环 100*110*6
博格曼BPG/Burgmannpackings，石墨填料环 105.6*115.2*6
博格曼BPG/Burgmannpackings，石墨填料环 30*48*9
博格曼BPG/Burgmannpackings，石墨填料环 41*59*7
博格曼BPG/Burgmannpackings，石墨填料环 45*55.1*9.3
博格曼BPG/Burgmannpackings，石墨填料环 53*61*8.3
博格曼BPG/Burgmannpackings，石墨填料环 81*87*7.5
博格曼BPG/Burgmannpackings，石墨填料环 125*135*5
博格曼BPG/Burgmannpackings，石墨填料环 79*85*8
博格曼BPG/Burgmannpackings，石墨填料环 157*167*4
