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发明名称
Verfahren zur Messung von Drucken und Druckunterschieden aggressiver Gase
摘要
申请公布号
DE534154(C)
申请公布日期
1931.09.23
申请号
DE1929C043788D
申请日期
1929.10.01
申请人
HEINRICH CONTZEN
发明人
分类号
G01L19/00
主分类号
G01L19/00
代理机构
代理人
主权项
地址
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