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发明名称
DEVICE FOR PROTECTING SUPPLY WATER PIPE FROM FREEZING
摘要
申请公布号
KR810002521(Y1)
申请公布日期
1981.12.28
申请号
KR19800008256U
申请日期
1980.12.22
申请人
YOON M
发明人
YOON M
分类号
E03B9/02;(IPC1-7):E03B9/02
主分类号
E03B9/02
代理机构
代理人
主权项
地址
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