博格曼BPG/Burgmannpackings，石墨填料环 22.5*28.5*3
博格曼BPG/Burgmannpackings，石墨填料环 24*30*2.5
博格曼BPG/Burgmannpackings，石墨填料环 30*35*2.5
博格曼BPG/Burgmannpackings，石墨填料环 12*20*4
博格曼BPG/Burgmannpackings，石墨填料环 13*19*6
博格曼BPG/Burgmannpackings，石墨填料环 13*20*5
博格曼BPG/Burgmannpackings，石墨填料环 13*21*4
博格曼BPG/Burgmannpackings，石墨填料环 14*22*4
博格曼BPG/Burgmannpackings，石墨填料环 20*25*4.5
博格曼BPG/Burgmannpackings，石墨填料环 21*28*3
博格曼BPG/Burgmannpackings，石墨填料环 26*32*3
博格曼BPG/Burgmannpackings，石墨填料环 38*43*2.5
博格曼BPG/Burgmannpackings，石墨填料环 28*34*3
博格曼BPG/Burgmannpackings，石墨填料环 46*49*3.5
博格曼BPG/Burgmannpackings，石墨填料环 56*66*7
博格曼BPG/Burgmannpackings，石墨填料环 10*18*6
博格曼BPG/Burgmannpackings，石墨填料环 14*19*7.5
博格曼BPG/Burgmannpackings，石墨填料环 15*23*4
博格曼BPG/Burgmannpackings，石墨填料环 16*24*4
博格曼BPG/Burgmannpackings，石墨填料环 26*31*4.5
