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经营范围
发明名称
Manchon à incandescence en treillis
摘要
申请公布号
FR748515(A)
申请公布日期
1933.07.05
申请号
FRD748515
申请日期
1933.01.05
申请人
DEUTSCHE GASGLUEHLICHT-AUER-GESELLSCHAFT M. B. H.
发明人
分类号
F21H1/02
主分类号
F21H1/02
代理机构
代理人
主权项
地址
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