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发明名称
VALVE GATE WITH A GAS EXHAUSTING APPARATUS FOR LOWERING A COST BY EMPLOYING ELASTIC MODULUS OF SPRINGS TO OPEN AND CLOSE A GATE
摘要
申请公布号
KR20070033819(A)
申请公布日期
2007.03.27
申请号
KR20050088370
申请日期
2005.09.22
申请人
发明人
分类号
B29C45/63;B29C45/23
主分类号
B29C45/63
代理机构
代理人
主权项
地址
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