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发明名称
Improvements relating to valve devices for use in evacuating glass ampoules and likevessels
摘要
申请公布号
GB562417(A)
申请公布日期
1944.06.30
申请号
GB19430003196
申请日期
1943.02.26
申请人
BOOTS PURE DRUG COMPANY LIMITED;FRANK OSCROFT
发明人
分类号
B65B3/00;F16K3/04
主分类号
B65B3/00
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代理人
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