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发明名称
METHOD OF TAPPING A PIPELINE OR THE LIKE
摘要
申请公布号
GB1247312(A)
申请公布日期
1971.09.22
申请号
GB19700004694
申请日期
1970.01.30
申请人
T. D. WILLIAMSON, INC.
发明人
BURTON VER NOOY
分类号
B21D28/00;B21D28/28
主分类号
B21D28/00
代理机构
代理人
主权项
地址
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