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发明名称
Ventil.
摘要
申请公布号
CH165585(A)
申请公布日期
1933.11.30
申请号
CHD165585
申请日期
1932.02.18
申请人
A. B. BENZO-GAZ
发明人
BENZO-GAZ A. B.
分类号
主分类号
代理机构
代理人
主权项
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