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发明名称
VERTICAL DAM
摘要
申请公布号
US3514907(A)
申请公布日期
1970.06.02
申请号
USD3514907
申请日期
1967.04.17
申请人
SWECO INC.
发明人
JOHN RUTLEDGE STROM
分类号
B24B31/073
主分类号
B24B31/073
代理机构
代理人
主权项
地址
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