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经营范围
发明名称
Partition for railway cars
摘要
申请公布号
US1811888(A)
申请公布日期
1931.06.30
申请号
US19270241528
申请日期
1927.12.21
申请人
DAVID H. EISENSTADT
发明人
JOHNSON CHARLES E.
分类号
B61D3/16
主分类号
B61D3/16
代理机构
代理人
主权项
地址
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