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发明名称
Rueckflusssicherung
摘要
申请公布号
DE1011234(B)
申请公布日期
1957.06.27
申请号
DE1954A021274
申请日期
1954.10.07
申请人
AKTIENGESELLSCHAFT FUER UNTERNEHMUNGEN DER EISEN- UND STAHLINDUSTRIE
发明人
WEISS JOSEF
分类号
F16K15/18
主分类号
F16K15/18
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代理人
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