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发明名称
STOCK TUBES AND METHODS OF REDUCING THE NOISE EMISSION THEREFROM
摘要
申请公布号
GB1531809(A)
申请公布日期
1978.11.08
申请号
GB19760027061
申请日期
1977.06.29
申请人
DELTA MATERIALS RES LTD
发明人
分类号
B23B13/08;(IPC1-7):B23B13/08
主分类号
B23B13/08
代理机构
代理人
主权项
地址
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