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发明名称
Vacuum tank
摘要
申请公布号
US1808143(A)
申请公布日期
1931.06.02
申请号
US19270243363
申请日期
1927.12.29
申请人
DUDLEY RESEARCH CORPORATION
发明人
LEVY DUDLEY D.
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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