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发明名称
FLAT CLOSURE
摘要
申请公布号
SU1493728(A1)
申请公布日期
1989.07.15
申请号
SU19874322405
申请日期
1987.11.02
申请人
VG GOL PROEKTNO-IZYSKATELSKIJ NII PO PROEKTIROVANIYU VODOKHOZYAJSTVENNYKH MELIORATIVNYKH OBEKTOV IM.E.E.ALEKSEEVSKOGO "SOYUZGIPROVODKHOZ"
发明人
SHTEJNTSAJG GRIGORIJ I,SU;DOROKHOV EVGENIJ K,SU
分类号
E02B7/26
主分类号
E02B7/26
代理机构
代理人
主权项
地址
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