博格曼BPG/Burgmannpackings，石墨填料环 55*65*5
博格曼BPG/Burgmannpackings，石墨填料环 59*67*6
博格曼BPG/Burgmannpackings，石墨填料环 90*96*5.5
博格曼BPG/Burgmannpackings，石墨填料环 38*50*6
博格曼BPG/Burgmannpackings，石墨填料环 26*36*10
博格曼BPG/Burgmannpackings，石墨填料环 35*43*10
博格曼BPG/Burgmannpackings，石墨填料环 82*90*4.5
博格曼BPG/Burgmannpackings，石墨填料环 128*135*3.5
博格曼BPG/Burgmannpackings，石墨填料环 176*182*3
博格曼BPG/Burgmannpackings，石墨填料环 25*38*8
博格曼BPG/Burgmannpackings，石墨填料环 26*40*7
博格曼BPG/Burgmannpackings，石墨填料环 28*40*8
博格曼BPG/Burgmannpackings，石墨填料环 60*70*5
博格曼BPG/Burgmannpackings，石墨填料环 64*72*6
博格曼BPG/Burgmannpackings，石墨填料环 75*85*4
博格曼BPG/Burgmannpackings，石墨填料环 130*136*4
博格曼BPG/Burgmannpackings，石墨填料环 30*47*5
博格曼BPG/Burgmannpackings，石墨填料环 40*49*8
博格曼BPG/Burgmannpackings，石墨填料环 27*41*7
博格曼BPG/Burgmannpackings，石墨填料环 38*50.5*6
