| 摘要 |
The design consists of the features of shape, ornamentation and configuration of the DELTA RING SEAL FOR BALL VALVE SEAT shown in the drawings:FIG. 1 - is a top and side perspective view of a DELTA RING SEAL FOR BALL VALVE SEAT;FIG. 2 - is a side perspective view thereof;FIG. 3 - is a bottom and side perspective view thereof;FIG. 4 - is a cross sectional view through line 4-4 of FIG. 2. |
