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发明名称
Concrete pipe mold apparatus
摘要
申请公布号
US3345716(A)
申请公布日期
1967.10.10
申请号
US19640419842
申请日期
1964.12.21
申请人
UDEN RUPERT H
发明人
UDEN RUPERT H.
分类号
B28B21/76
主分类号
B28B21/76
代理机构
代理人
主权项
地址
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