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发明名称
METHOD OF MAKING POROUS SLABS FOR OZONIZATION AND AERATION OF WATER RESERVOIRS
摘要
申请公布号
PL162790(B1)
申请公布日期
1994.01.31
申请号
PL19900286240
申请日期
1990.07.27
申请人
PRZED NAUKOWO PROD KONSTRUKCJI;INST MECH PRECYZ
发明人
RAABE JERZY;EWERTOWSKI JANUSZ;SZAFRAN MIKOLAJ;KONOPCZYNSKI ANDRZEJ;BIN ANDRZEJ;KOZLOWSKI ANDRZEJ
分类号
C04B38/00;(IPC1-7):C04B38/00
主分类号
C04B38/00
代理机构
代理人
主权项
地址
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