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发明名称
Belueftungsaufsatz
摘要
申请公布号
DE617453(C)
申请公布日期
1935.08.19
申请号
DE1933L085499D
申请日期
1933.06.03
申请人
DIPL.-ING. KARL LUDWIG
发明人
分类号
F23L17/02
主分类号
F23L17/02
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代理人
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