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发明名称
Sicherheitshahn
摘要
申请公布号
DE557313(C)
申请公布日期
1932.08.20
申请号
DENDATB150292D
申请日期
申请人
WILHELM BITTER
发明人
分类号
F16K35/10
主分类号
F16K35/10
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代理人
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