博格曼BPG/Burgmannpackings，石墨填料环 18*30*6
博格曼BPG/Burgmannpackings，石墨填料环 28*38*5
博格曼BPG/Burgmannpackings，石墨填料环 32*41*5
博格曼BPG/Burgmannpackings，石墨填料环 38*48*4
博格曼BPG/Burgmannpackings，石墨填料环 50*58*4
博格曼BPG/Burgmannpackings，石墨填料环 67*73*4
博格曼BPG/Burgmannpackings，石墨填料环 79*85*3.5
博格曼BPG/Burgmannpackings，石墨填料环 10*24*7
博格曼BPG/Burgmannpackings，石墨填料环 45*51*6
博格曼BPG/Burgmannpackings，石墨填料环 48*56*4
博格曼BPG/Burgmannpackings，石墨填料环 48*58*3.2
博格曼BPG/Burgmannpackings，石墨填料环 49*57*4
博格曼BPG/Burgmannpackings，石墨填料环 52*58*5
博格曼BPG/Burgmannpackings，石墨填料环 75*81.3*3.5
博格曼BPG/Burgmannpackings，石墨填料环 19*31*6
博格曼BPG/Burgmannpackings，石墨填料环 24*35*5.5
博格曼BPG/Burgmannpackings，石墨填料环 24*36*5
博格曼BPG/Burgmannpackings，石墨填料环 30*40*5
博格曼BPG/Burgmannpackings，石墨填料环 34*42*6
博格曼BPG/Burgmannpackings，石墨填料环 53*65*2.5
