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经营范围
发明名称
Rohrbruchsicherung
摘要
申请公布号
DE1101890(B)
申请公布日期
1961.03.09
申请号
DE1955G024240
申请日期
1955.02.21
申请人
GESELLSCHAFT DER LUDW. VON ROLL'SCHEN EISENWERKE A.-G.
发明人
分类号
F16K17/34
主分类号
F16K17/34
代理机构
代理人
主权项
地址
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