IPC 2013 : E05B 65/30 : with two or more bolts moved simultaneously.

IPC2013 > E > E05 > E05B > E05B 65/00 > E05B 65/30[4] > with two or more bolts moved simultaneously.
Notes[t] E01 - E06: BUILDING
Notes[g] E05B 63/00 - E05B 67/00: Locks with special structural characteristics or for special use
E SECTION E — FIXED CONSTRUCTIONS.
E05 LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES.
E05B LOCKS; ACCESSORIES THEREFOR; HANDCUFFS.
E05B 65/00 Locks for special use.
E05B 65/30 · · · · with two or more bolts moved simultaneously.