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经营范围
发明名称
TONE PROCESSING SYSTEM
摘要
申请公布号
US3538806(A)
申请公布日期
1970.11.10
申请号
USD3538806
申请日期
1968.03.11
申请人
D.H. BALDWIN CO.
发明人
DAVID A. BUNGER
分类号
G10H1/06;(IPC1-7):G10H3/00;G10H1/02
主分类号
G10H1/06
代理机构
代理人
主权项
地址
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