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发明名称
Float valve assembly for a portable vacuum tank
摘要
申请公布号
US3347263(A)
申请公布日期
1967.10.17
申请号
US19650467474
申请日期
1965.06.28
申请人
THOMPSON TANK AND MANUFACTURING CO., INC.
发明人
THOMPSON DAVID L.
分类号
F16K31/20
主分类号
F16K31/20
代理机构
代理人
主权项
地址
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