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发明名称
Vorrichtung zum selbsttaetigen Belueften von Fruehbeeten
摘要
申请公布号
DE894786(C)
申请公布日期
1953.10.29
申请号
DE1941R007403D
申请日期
1941.07.04
申请人
RICHTER KARL
发明人
RICHTER KARL
分类号
A01G9/24
主分类号
A01G9/24
代理机构
代理人
主权项
地址
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