| 摘要 |
PCT No. PCT/JP91/00415 Sec. 371 Date Nov. 29, 1991 Sec. 102(e) Date Nov. 29, 1991 PCT Filed Mar. 29, 1991 PCT Pub. No. WO91/15846 PCT Pub. Date Oct. 17, 1991.A cassette door (211) is attached to a slot of a cabinet (210) through which a tray (59) is inserted into and pulled out of the cabinet, serving to freely open and close the slot, and a door lock means (86, 87) for locking the cassette door (211) at a slot-closed position is associated with slot-in and projected movements of the tray (59) to lock the cassette door (211) at the slot-closed position and unlock it from the slot-closed position.
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