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发明名称
MANHOLE CONSTRUCTION
摘要
申请公布号
JPS6322926(A)
申请公布日期
1988.01.30
申请号
JP19870166083
申请日期
1987.07.02
申请人
ASAHI CONCRETE KOGYO KK
发明人
NAKANISHI HISAYOSHI
分类号
E02D29/12
主分类号
E02D29/12
代理机构
代理人
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地址
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