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经营范围
发明名称
Device for constructing long culverts or continuous concrete tubes
摘要
申请公布号
US1794199(A)
申请公布日期
1931.02.24
申请号
US19280315297
申请日期
1928.10.26
申请人
TOICHI NOSE
发明人
NOSE TOICHI
分类号
B28B21/20
主分类号
B28B21/20
代理机构
代理人
主权项
地址
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