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发明名称	KEY RECORDING DEVICE
摘要
申请公布号	US3529455(A)	申请公布日期	1970.09.22
申请号	USD3529455	申请日期	1968.06.17
申请人	DONALD V. HARTZELL	发明人	DONALD V. HARTZELL
分类号	B67D7/10;(IPC1-7):E05B9/02;E05B39/04	主分类号	B67D7/10
代理机构		代理人
主权项
地址

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