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发明名称
Stempelring.
摘要
申请公布号
DK59470(C)
申请公布日期
1942.02.09
申请号
DKD59470
申请日期
1938.05.25
申请人
WILHELM GULOWSEN;KARL MELLBACH
发明人
WILHELM GULOWSEN;KARL MELLBACH
分类号
主分类号
代理机构
代理人
主权项
地址
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