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发明名称
Rückschlagventil.
摘要
申请公布号
AT128047(B)
申请公布日期
1932.05.10
申请号
ATD128047
申请日期
1931.02.26
申请人
MAXIMILIAN HAHN
发明人
MAXIMILIAN HAHN
分类号
主分类号
代理机构
代理人
主权项
地址
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