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经营范围
发明名称
PIPE WRAPPING MATERIAL
摘要
申请公布号
GB8728749(D0)
申请公布日期
1988.01.27
申请号
GB19870028749
申请日期
1987.12.09
申请人
W R GRACE LTD
发明人
分类号
F16L59/10;F16L59/14
主分类号
F16L59/10
代理机构
代理人
主权项
地址
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