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经营范围
发明名称
RECORD CLEANING DEVICE
摘要
申请公布号
US3534425(A)
申请公布日期
1970.10.20
申请号
USD3534425
申请日期
1968.12.11
申请人
AGNES HELENA WATTS;SUSAN AGNES CECILIA WATTS;JOHN PRYS WILLIAM;CECIL E. WATTS LTD.
发明人
CECIL ERNEST WATTS
分类号
G11B3/58;(IPC1-7):A46B11/00
主分类号
G11B3/58
代理机构
代理人
主权项
地址
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