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发明名称
Rail
摘要
申请公布号
US1750365(A)
申请公布日期
1930.03.11
申请号
US19290340134
申请日期
1929.02.15
申请人
THE FIRM VEREINIGTE STAHLWERKE AKTIENGESELLSCHAFT
发明人
SCHNEIDER MAX
分类号
E01B5/10
主分类号
E01B5/10
代理机构
代理人
主权项
地址
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