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经营范围
发明名称
A valve having as closure member a sleeve-like diaphragm
摘要
申请公布号
GB1011307(A)
申请公布日期
1965.11.24
申请号
GB19640004434
申请日期
1964.02.03
申请人
JOHANNES BERNADUS RATELBAND
发明人
分类号
F16K7/07
主分类号
F16K7/07
代理机构
代理人
主权项
地址
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