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经营范围
发明名称
THERMOSTRICTIVE RECORDING
摘要
申请公布号
US3465311(A)
申请公布日期
1969.09.02
申请号
USD3465311
申请日期
1965.11.19
申请人
INTERN. BUSINESS MACHINES CORP.
发明人
BRUCE I. BERTELSEN;HERBERT J. KUMP;PAUL T. CHANG
分类号
G11B11/105;(IPC1-7):G11B5/00;G02F1/22
主分类号
G11B11/105
代理机构
代理人
主权项
地址
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