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经营范围
发明名称
Drosselventil, særlig tappeventil til gas-vandvarmere.
摘要
申请公布号
DK78362(C)
申请公布日期
1954.11.01
申请号
DK19510000170
申请日期
1951.01.17
申请人
JOH. VAILLANT K/G
发明人
分类号
主分类号
代理机构
代理人
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