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经营范围
发明名称
MEMBRANVENTIL.
摘要
申请公布号
DE1639701(U)
申请公布日期
1952.06.11
申请号
DE194900D3807U
申请日期
1949.08.05
申请人
SAUNDERS VALVE COMPANY LIMITED
发明人
分类号
F16K7/12
主分类号
F16K7/12
代理机构
代理人
主权项
地址
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