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发明名称
Drosselgeraet zur Durchfluss-Mengenmessung
摘要
申请公布号
DE739774(C)
申请公布日期
1943.10.04
申请号
DE1936S123465D
申请日期
1936.07.17
申请人
SIEMENS & HALSKE AG.
发明人
分类号
G01F1/42
主分类号
G01F1/42
代理机构
代理人
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地址
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