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
博格曼BPG/Burgmannpackings，石墨填料环 46*52*4
博格曼BPG/Burgmannpackings，石墨填料环 60*65*4
博格曼BPG/Burgmannpackings，石墨填料环 64*70*3
博格曼BPG/Burgmannpackings，石墨填料环 68*75*2.5
博格曼BPG/Burgmannpackings，石墨填料环 22*32*5
博格曼BPG/Burgmannpackings，石墨填料环 24*30*8.2
博格曼BPG/Burgmannpackings，石墨填料环 25*34*5
博格曼BPG/Burgmannpackings，石墨填料环 28*36*5
博格曼BPG/Burgmannpackings，石墨填料环 36*44*4
博格曼BPG/Burgmannpackings，石墨填料环 38*46*4
博格曼BPG/Burgmannpackings，石墨填料环 48*58*2.5
博格曼BPG/Burgmannpackings，石墨填料环 16*28*5
博格曼BPG/Burgmannpackings，石墨填料环 21*31*5
博格曼BPG/Burgmannpackings，石墨填料环 35*40*7
