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发明名称
Improvements in devices for determining the density of gases
摘要
申请公布号
GB393507(A)
申请公布日期
1933.06.08
申请号
GB19320034983
申请日期
1932.12.09
申请人
BRANDL & CO. KOMMANDITGESELLSCHAFT
发明人
分类号
G01N9/26
主分类号
G01N9/26
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