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发明名称
CONSTANT PRESSURE DEVICE
摘要
申请公布号
GB2146871(A)
申请公布日期
1985.04.24
申请号
GB19840027658
申请日期
1984.03.02
申请人
BRIAN DOUGLAS * WARD
发明人
BRIAN DOUGLAS * WARD
分类号
H04R1/02;H04R1/28;(IPC1-7):H04R1/02;G05D16/04
主分类号
H04R1/02
代理机构
代理人
主权项
地址
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