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发明名称
COVER
摘要
申请公布号
JPH11148156(A)
申请公布日期
1999.06.02
申请号
JP19980246805
申请日期
1998.09.01
申请人
MATSUSHITA ELECTRIC WORKS LTD;KVK CORP
发明人
SONE KUNIYOSHI;NASU YOSHINORI;GOTO TAKUYUKI;YOKOI HIROSHI
分类号
E03C1/044;F16L57/00;(IPC1-7):E03C1/044
主分类号
E03C1/044
代理机构
代理人
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