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经营范围
发明名称
Rueckschlagsicherung fuer Membrangasmesser
摘要
申请公布号
DE597989(C)
申请公布日期
1934.06.04
申请号
DE1933S108967D
申请日期
1933.04.08
申请人
PHILIPP SEIBERT
发明人
分类号
G01F15/10
主分类号
G01F15/10
代理机构
代理人
主权项
地址
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