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发明名称
Differential pressure gauge for measuring flow of fluids in conduits
摘要
申请公布号
US1900823(A)
申请公布日期
1933.03.07
申请号
US19270183185
申请日期
1927.04.12
申请人
THE FIRM DR. MARTIN BOHME
发明人
LANG ARNO
分类号
G01F1/37
主分类号
G01F1/37
代理机构
代理人
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地址
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