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发明名称
Chemical flow controller
摘要
申请公布号
US2140679(A)
申请公布日期
1938.12.20
申请号
US19380202946
申请日期
1938.04.19
申请人
SMITH SEPARATOR CORPORATION
发明人
MCKEEVER ROY S.
分类号
G05D11/00
主分类号
G05D11/00
代理机构
代理人
主权项
地址
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