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发明名称
Selbsttaetige Sicherheitsgassperre
摘要
申请公布号
DE687457(C)
申请公布日期
1940.01.31
申请号
DE1937B177470D
申请日期
1937.02.24
申请人
JOHANN BECK
发明人
BECK JOHANN
分类号
F23N5/00
主分类号
F23N5/00
代理机构
代理人
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地址
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