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发明名称
REINFORCED PIPE CROSS FITTING
摘要
申请公布号
KR1019820000237(B1)
申请公布日期
1982.03.08
申请号
KR1019780001251
申请日期
1978.04.26
申请人
发明人
分类号
主分类号
代理机构
代理人
主权项
地址
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