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发明名称
PILE WITH SPRING
摘要
申请公布号
JPH03212510(A)
申请公布日期
1991.09.18
申请号
JP19900006334
申请日期
1990.01.17
申请人
FUJITA CORP
发明人
YAMAMOTO ITSUO;HAMAZUKA SEIJI;KOBAYASHI KATSUMI;MARU TAKAHIRO
分类号
E02D5/22;E02D5/60;E02D27/34;E02D31/00;E02D31/08
主分类号
E02D5/22
代理机构
代理人
主权项
地址
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