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发明名称
IMPROVEMENTS IN AND RELATING TO GAS METERING VALVES
摘要
申请公布号
GB1262930(A)
申请公布日期
1972.02.09
申请号
GB19690058930
申请日期
1969.12.03
申请人
BALZERS PATENT- UND BETEILIGUNGS- AKTIENGESELLSCHAFT
发明人
分类号
F16K1/48;F16K51/02
主分类号
F16K1/48
代理机构
代理人
主权项
地址
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