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经营范围
发明名称
PIPE CUTTING METHOD AND APPARATUS
摘要
申请公布号
PL134849(B1)
申请公布日期
1985.09.30
申请号
PL19810233739
申请日期
1981.11.06
申请人
发明人
分类号
B23D;B23D21/04;(IPC1-7):B23D21/04
主分类号
B23D
代理机构
代理人
主权项
地址
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