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发明名称
Friktionshjul.
摘要
申请公布号
DK69660(C)
申请公布日期
1949.07.25
申请号
DK19440000809
申请日期
1944.03.20
申请人
DEUTSCHE EDELSTAHLWERKE AKTIENGESELLSCHAFT
发明人
分类号
主分类号
代理机构
代理人
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