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发明名称
Mold for molding concrete structural units
摘要
申请公布号
US2458155(A)
申请公布日期
1949.01.04
申请号
US19450616098
申请日期
1945.09.13
申请人
FRASER JAMES B
发明人
FRASER JAMES B.
分类号
B28B7/00
主分类号
B28B7/00
代理机构
代理人
主权项
地址
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