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发明名称
Sikkerhedsgashane.
摘要
申请公布号
DK80822(C)
申请公布日期
1956.04.09
申请号
DK19500003752
申请日期
1950.11.20
申请人
A/S CHR. NIELSENS EFTF.
发明人
分类号
主分类号
代理机构
代理人
主权项
地址
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