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经营范围
发明名称
Improvements in liquid sealed valves or cocks
摘要
申请公布号
GB440195(A)
申请公布日期
1935.12.18
申请号
GB19340017989
申请日期
1934.06.18
申请人
ELECTROLUX LIMITED
发明人
分类号
F16K41/00
主分类号
F16K41/00
代理机构
代理人
主权项
地址
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