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发明名称
Packless valve with anti-frost means
摘要
申请公布号
US3396940(A)
申请公布日期
1968.08.13
申请号
US19660528285
申请日期
1966.02.17
申请人
HENRY VALVE COMPANY
发明人
JONES EVAN
分类号
F16K41/12
主分类号
F16K41/12
代理机构
代理人
主权项
地址
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