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发明名称
METHOD OF OBTAINING LIGHT-WEIGHT AGGREGATE FOR USE IN BUILDING TRADE
摘要
申请公布号
PL250805(A2)
申请公布日期
1985.10.22
申请号
PL19840250805
申请日期
1984.12.06
申请人
POLSKO WEGIERSKA GORNICZA SPOL
发明人
BEDNARSKI MAREK;HERNICZEK BOHDAN;WITKOWICZ WIESLAW;TOMCZYK EDWARD
分类号
C04B;(IPC1-7):C04B/
主分类号
C04B
代理机构
代理人
主权项
地址
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