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发明名称
Apparatus for manufacturing concrete pipes
摘要
申请公布号
US1854046(A)
申请公布日期
1932.04.12
申请号
US19290401227
申请日期
1929.10.21
申请人
SUGAJIRO KUROYANAGI
发明人
KUROYANAGI SUGAJIRO
分类号
B28B21/24
主分类号
B28B21/24
代理机构
代理人
主权项
地址
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