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经营范围
发明名称
PIPE SEAL
摘要
申请公布号
GB2071258(A)
申请公布日期
1981.09.16
申请号
GB19810006189
申请日期
1981.02.27
申请人
RAYCHEM LTD
发明人
分类号
F16L58/16;F16L59/20;(IPC1-7):F16L55/18
主分类号
F16L58/16
代理机构
代理人
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地址
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