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发明名称
METHOD FOR PREPARING OF MATRIAL FOR LAYING OF PIPELINES IN EARTH IN PARTICULAR FOR HEATING PURPOSES
摘要
申请公布号
BG43696(A3)
申请公布日期
1988.07.15
申请号
BG19730025143
申请日期
1973.12.04
申请人
NEHEZVEGYIPARI KUTATO INTEZET,HU;ENERGIAGAZDALKODASI INTEZET,HU
发明人
BOD,MAGDOLNA,HU;DOCS,JANOS,HU;FEHER,IGNAC,HU;LUKACS,ZOLTAN,HU;SARKADI,MAGDOLNA,HU
分类号
C08L83/04;C08J3/20;C23C18/20;C23F15/00;F16L57/00;F16L58/00;F16L59/00;F16L59/02;(IPC1-7):C23C18/20
主分类号
C08L83/04
代理机构
代理人
主权项
地址
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