博格曼BPG/Burgmannpackings，石墨填料环 17*27*5
博格曼BPG/Burgmannpackings，石墨填料环 18*28*5
博格曼BPG/Burgmannpackings，石墨填料环 19*27*6
博格曼BPG/Burgmannpackings，石墨填料环 22*32*4
博格曼BPG/Burgmannpackings，石墨填料环 30*38*4
博格曼BPG/Burgmannpackings，石墨填料环 32*40*4
博格曼BPG/Burgmannpackings，石墨填料环 40*50*2.5
博格曼BPG/Burgmannpackings，石墨填料环 54*59*4
博格曼BPG/Burgmannpackings，石墨填料环 16*25*6
博格曼BPG/Burgmannpackings，石墨填料环 20*30*4.5
博格曼BPG/Burgmannpackings，石墨填料环 52*60*2.5
博格曼BPG/Burgmannpackings，石墨填料环 19*29*5
博格曼BPG/Burgmannpackings，石墨填料环 20*30*5
博格曼BPG/Burgmannpackings，石墨填料环 22*31*5
博格曼BPG/Burgmannpackings，石墨填料环 27*35*5
博格曼BPG/Burgmannpackings，石墨填料环 28*37*4
博格曼BPG/Burgmannpackings，石墨填料环 32*38*5.73
博格曼BPG/Burgmannpackings，石墨填料环 35*43*4
博格曼BPG/Burgmannpackings，石墨填料环 45*55*2.5
博格曼BPG/Burgmannpackings，石墨填料环 34*42*4
