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经营范围
发明名称
Lueftungseinrichtung fuer Silos
摘要
申请公布号
DE551112(C)
申请公布日期
1932.05.26
申请号
DED551112D
申请日期
申请人
HEINRICH SPENGLER
发明人
分类号
B65D88/74
主分类号
B65D88/74
代理机构
代理人
主权项
地址
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