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发明名称
Improvements in pressure gauges
摘要
申请公布号
GB352646(A)
申请公布日期
1931.07.16
申请号
GB19300015693
申请日期
1930.05.21
申请人
MICHELIN ET CIE
发明人
分类号
G01L7/16
主分类号
G01L7/16
代理机构
代理人
主权项
地址
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