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发明名称
SUBCOURSE MATERIAL
摘要
申请公布号
JPS51131140(A)
申请公布日期
1976.11.15
申请号
JP19750055254
申请日期
1975.05.08
申请人
SHIN NIPPON SEITETSU KK
发明人
SANGAJIRI HARUO;HAGA NOBUTAKE;DAICHIYOU SATOSHI;YAMAMOTO TAKAO
分类号
E01C3/00
主分类号
E01C3/00
代理机构
代理人
主权项
地址
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