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发明名称
Flow controlling device
摘要
申请公布号
US2037663(A)
申请公布日期
1936.04.14
申请号
US19320585214
申请日期
1932.01.07
申请人
MARJORIE LALOR
发明人
LALOR MARJORIE
分类号
F16K3/03
主分类号
F16K3/03
代理机构
代理人
主权项
地址
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