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发明名称
Screw controlled ball cock for tanks
摘要
申请公布号
US2582616(A)
申请公布日期
1952.01.15
申请号
US19490085305
申请日期
1949.04.04
申请人
WUESTHOFF MAXIMILIAN W
发明人
WUESTHOFF MAXIMILIAN W.
分类号
F16K31/24
主分类号
F16K31/24
代理机构
代理人
主权项
地址
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