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发明名称
POLYMER CONCRETE CENTRIFUGAL FORCE TUBE AND ITS METHOD
摘要
申请公布号
KR100227733(B1)
申请公布日期
1999.11.01
申请号
KR19970040761
申请日期
1997.08.25
申请人
YEON, KYU-SEOK
发明人
YEON, KYU-SEOK;JOO, MYUNG-GI;CHOI, DONG-SOON;KIM, GI-RAK
分类号
B28B21/30;(IPC1-7):B28B21/30
主分类号
B28B21/30
代理机构
代理人
主权项
地址
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