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经营范围
发明名称
Membranventilgehäuse
摘要
申请公布号
AT298915(B)
申请公布日期
1972.05.25
申请号
AT19690001438
申请日期
1969.02.12
申请人
VON ROLL AG.
发明人
分类号
F16K7/12;F16K27/02;(IPC1-7):F16K27/00
主分类号
F16K7/12
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