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发明名称
Stopcock control device
摘要
申请公布号
US2320482(A)
申请公布日期
1943.06.01
申请号
US19410381866
申请日期
1941.03.05
申请人
PETROLITE CORPORATION, LTD.
发明人
STENZEL RICHARD W.;SUTHARD JAMES G.
分类号
B01L3/00;F16K5/08
主分类号
B01L3/00
代理机构
代理人
主权项
地址
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