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发明名称
Belueftungsautomat fuer Pumpenwindkessel
摘要
申请公布号
DE521413(C)
申请公布日期
1931.03.21
申请号
DED521413D
申请日期
申请人
GERTRUD ZUMPE GEB. HEMPEL
发明人
分类号
F04B11/00;F04B45/053
主分类号
F04B11/00
代理机构
代理人
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地址
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