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发明名称
Method and means for protecting shore and other structures against damage by ice
摘要
申请公布号
US2449963(A)
申请公布日期
1948.09.21
申请号
US19460705401
申请日期
1946.10.24
申请人
WARD CLAYTON N
发明人
WARD CLAYTON N.
分类号
E02B1/00
主分类号
E02B1/00
代理机构
代理人
主权项
地址
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