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发明名称
DEVICE FOR FIXING STEPPING PILLARS OF A SUCTION AND REFULLING DREDGERS
摘要
申请公布号
PL273397(A1)
申请公布日期
1990.01.08
申请号
PL19880273397
申请日期
1988.06.28
申请人
PRZED BUDOWNICTWA WODNEGO W BY
发明人
MENDZELEWSKI JULIAN;LEWANDOWSKI MIECZYSLAW;SZULC ROMAN;OLKIEWICZ BOLESLAW;KOBUS KAZIMIERZ;LAMPARSKI MARIAN
分类号
E02F9/06;F02F;(IPC1-7):F02F/
主分类号
E02F9/06
代理机构
代理人
主权项
地址
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