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经营范围
发明名称
PROTECTING WATER PIPING
摘要
申请公布号
GB8722769(D0)
申请公布日期
1987.11.04
申请号
GB19870022769
申请日期
1987.09.28
申请人
FERMIN, F C
发明人
分类号
E03B7/10
主分类号
E03B7/10
代理机构
代理人
主权项
地址
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