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发明名称
PIPE SHEARING RAM ASSEMBLY FOR BLOWOUT PREVENTER
摘要
申请公布号
GB2018330(B)
申请公布日期
1982.06.03
申请号
GB19780045358
申请日期
1978.11.21
申请人
CAMERON IRON WORKS INC
发明人
分类号
B23D21/00;E21B29/08;E21B33/06;(IPC1-7):E21B33/06;E21B29/00
主分类号
B23D21/00
代理机构
代理人
主权项
地址
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