博格曼BPG/Burgmannpackings，石墨填料环 11.5*18*4
博格曼BPG/Burgmannpackings，石墨填料环 12*17*5
博格曼BPG/Burgmannpackings，石墨填料环 12*19*3.5
博格曼BPG/Burgmannpackings，石墨填料环 12*20*3
博格曼BPG/Burgmannpackings，石墨填料环 16*22.5*3
博格曼BPG/Burgmannpackings，石墨填料环 28*33*2.5
博格曼BPG/Burgmannpackings，石墨填料环 34*38*2.5
博格曼BPG/Burgmannpackings，石墨填料环 10*17*3.5
博格曼BPG/Burgmannpackings，石墨填料环 12*18*3.34
博格曼BPG/Burgmannpackings，石墨填料环 12*18*3.5
博格曼BPG/Burgmannpackings，石墨填料环 15*21*3
博格曼BPG/Burgmannpackings，石墨填料环 25*30*2.5
博格曼BPG/Burgmannpackings，石墨填料环 30*34*2.5
博格曼BPG/Burgmannpackings，石墨填料环 11*17*5
博格曼BPG/Burgmannpackings，石墨填料环 12*20*3.5
博格曼BPG/Burgmannpackings，石墨填料环 13*19*5
博格曼BPG/Burgmannpackings，石墨填料环 13*20*3.5
博格曼BPG/Burgmannpackings，石墨填料环 20*26*3
博格曼BPG/Burgmannpackings，石墨填料环 22*28*3
博格曼BPG/Burgmannpackings，石墨填料环 24*30*3
