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经营范围
发明名称
PIPE SEALING DEVICE
摘要
申请公布号
GB2052661(B)
申请公布日期
1983.09.21
申请号
GB19790022347
申请日期
1979.06.27
申请人
FORSHEDA GUMMIFABRIK AB
发明人
分类号
F16L47/10;(IPC1-7):F16L21/02
主分类号
F16L47/10
代理机构
代理人
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地址
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