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发明名称
Improvements in or relating to flow testers
摘要
申请公布号
GB1072839(A)
申请公布日期
1967.06.21
申请号
GB19660016236
申请日期
1966.04.13
申请人
KATSUJI FUJIWARA
发明人
分类号
F16K37/00;F22B37/76;G01P13/00
主分类号
F16K37/00
代理机构
代理人
主权项
地址
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