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经营范围
发明名称
Expansion valve for carrying out cracking and distillation processes
摘要
申请公布号
GB409177(A)
申请公布日期
1934.04.26
申请号
GB19330021719
申请日期
1933.08.02
申请人
CARL STILL
发明人
分类号
F16K29/02
主分类号
F16K29/02
代理机构
代理人
主权项
地址
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