博格曼BPG/Burgmannpackings，石墨填料环 34*39*4
博格曼BPG/Burgmannpackings，石墨填料环 56*61*2.5
博格曼BPG/Burgmannpackings，石墨填料环 20*28*4
博格曼BPG/Burgmannpackings，石墨填料环 25*30*5
博格曼BPG/Burgmannpackings，石墨填料环 25*30*5.5
博格曼BPG/Burgmannpackings，石墨填料环 34*38*5
博格曼BPG/Burgmannpackings，石墨填料环 35*41*3
博格曼BPG/Burgmannpackings，石墨填料环 36*42*3
博格曼BPG/Burgmannpackings，石墨填料环 38*44*3
博格曼BPG/Burgmannpackings，石墨填料环 38*45*2.5
博格曼BPG/Burgmannpackings，石墨填料环 16*24*5
博格曼BPG/Burgmannpackings，石墨填料环 26*34*3.3
博格曼BPG/Burgmannpackings，石墨填料环 30*36*4
博格曼BPG/Burgmannpackings，石墨填料环 35*41*3.4
博格曼BPG/Burgmannpackings，石墨填料环 39*47*2.5
博格曼BPG/Burgmannpackings，石墨填料环 60*70*7
博格曼BPG/Burgmannpackings，石墨填料环 64*69*2.5
博格曼BPG/Burgmannpackings，石墨填料环 12.7*22.2*5
博格曼BPG/Burgmannpackings，石墨填料环 14*22*6
博格曼BPG/Burgmannpackings，石墨填料环 21*29*4
