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发明名称
MAN-HOLE RECEIVING FRAME LINEAR AND METHOD THEREOF
摘要
申请公布号
JPH02225721(A)
申请公布日期
1990.09.07
申请号
JP19890045691
申请日期
1989.02.27
申请人
NIPPON TELEGR & TELEPH CORP <NTT>;KUROKI SEISAKUSHO:KK
发明人
HONJO KATSUHIKO;MIZOGUCHI HIROMI;ARITA KISHIO;KUROKI HIRONORI;BABA TADASHI;HATTORI KAZUNORI
分类号
E02D29/14
主分类号
E02D29/14
代理机构
代理人
主权项
地址
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