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经营范围
发明名称
Absperrorgan mit Kugelkueken
摘要
申请公布号
DE915764(C)
申请公布日期
1954.07.29
申请号
DE1952E005646
申请日期
1952.06.22
申请人
FA. JOHANNES ERHARD
发明人
REPPERT KARL
分类号
F16K5/20
主分类号
F16K5/20
代理机构
代理人
主权项
地址
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