发明授权
US4085602A Key case head 失效
主要病例头

Key case head
摘要:
A key case head including an inner member and an outer member, the inner and outer members being adapted to cooperate to selectively retain and release key hooks, the inner member having attached thereto an actuator for moving the inner member relative to the outer member, the actuator and the outer member having complemental projections and recesses thereon for locking the inner member within the outer member.
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