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发明名称
BOTTOM BLOCK
摘要
申请公布号
GB8330987(D0)
申请公布日期
1983.12.29
申请号
GB19830030987
申请日期
1983.11.21
申请人
KAISER ALUMINUM & CHEMICAL CORPORATION
发明人
分类号
B22D11/04;B22D11/041;B22D11/049;B22D11/08;(IPC1-7):B22D11/08
主分类号
B22D11/04
代理机构
代理人
主权项
地址
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