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发明名称
Plug cock
摘要
申请公布号
US1941839(A)
申请公布日期
1934.01.02
申请号
US19320627690
申请日期
1932.08.06
申请人
RIKARD JOHANSSON JOHAN
发明人
JOHANSSON JOHAN RIKARD
分类号
F16K5/20
主分类号
F16K5/20
代理机构
代理人
主权项
地址
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