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经营范围
发明名称
Eisenbahnschrankensicherung
摘要
申请公布号
DE537528(C)
申请公布日期
1931.11.04
申请号
DED537528D
申请日期
1930.01.17
申请人
HANS WILKENS
发明人
分类号
B61L5/22
主分类号
B61L5/22
代理机构
代理人
主权项
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