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发明名称
Improvements relating to diaphragms for dry gas meters
摘要
申请公布号
GB492354(A)
申请公布日期
1938.09.19
申请号
GB19360034144
申请日期
1936.12.11
申请人
ALLGEMEINE ELEKTRICITAETS-GESELLSCHAFT
发明人
分类号
G01F3/22
主分类号
G01F3/22
代理机构
代理人
主权项
地址
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