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发明名称
Improvements in frusto conical diaphragms
摘要
申请公布号
GB883295(A)
申请公布日期
1961.11.29
申请号
GB19570025818
申请日期
1957.08.15
申请人
MOULTON DEVELOPMENTS LIMITED
发明人
TURNER PHILIP WILSON
分类号
F16J3/02
主分类号
F16J3/02
代理机构
代理人
主权项
地址
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