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经营范围
发明名称
PIPE JOINTS
摘要
申请公布号
GB2032562(B)
申请公布日期
1982.11.24
申请号
GB19790034266
申请日期
1979.10.03
申请人
MARSH D
发明人
分类号
F16L23/00;F16L23/16;(IPC1-7):F16L17/06
主分类号
F16L23/00
代理机构
代理人
主权项
地址
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