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发明名称
Einrichtung zum Absperren von Gasleitungen
摘要
申请公布号
DE711974(C)
申请公布日期
1941.10.09
申请号
DE1940U015049D
申请日期
1940.05.05
申请人
KONRAD ULLRICH
发明人
ULLRICH KONRAD
分类号
F16K7/10
主分类号
F16K7/10
代理机构
代理人
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地址
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