LCSG塞规LCSG环规美国石油螺纹量规API石油量规品牌“GSG”货期：8-10 周产地：美国
| LCSG-4.5-P | 4.5" Long Casing Plug Gage |
| LCSG-4.5-R | 4.5" Long Casing Ring Gage |
| LCSG-5-P | 5" Long Casing Plug Gage |
| LCSG-5-R | 5" Long Casing Ring Gage |
| LCSG-5.5-P | 5.5" Long Casing Plug Gage |
| LCSG-5.5-R | 5.5" Long Casing Ring Gage |
| LCSG-6-5/8-P | 6-5/8" Long Casing Plug Gage |
| LCSG-6-5/8-R | 6-5/8" Long Casing Ring Gage |
| LCSG-7-P | 7" Long Casing Plug Gage |
| LCSG-7-R | 7" Long Casing Ring Gage |
| LCSG-8-5/8-P | 8-5/8" Long Casing Plug Gage |
| LCSG-8-5/8-R | 8-5/8" Long Casing Ring Gage |
| LCSG-9-5/8-P | 9-5/8" Long Casing Plug Gage |
| LCSG-9-5/8-R | 9-5/8" Long Casing Ring Gage |
| LCSG-20-P | 20" Long Casing Plug Gage |
| LCSG-20-R | 20" Long Casing Ring Gage |
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