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经营范围
发明名称
Smoke generator
摘要
申请公布号
GB647592(A)
申请公布日期
1950.12.20
申请号
GB19470034373
申请日期
1947.12.29
申请人
HALFDAN OLSEN
发明人
分类号
A23B4/052
主分类号
A23B4/052
代理机构
代理人
主权项
地址
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