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经营范围
发明名称
INTERFRAME STRECHER BAR FOR HEADING LINING
摘要
申请公布号
PL250425(A2)
申请公布日期
1985.09.24
申请号
PL19840250425
申请日期
1984.11.13
申请人
GLOWNY INSTYTUT GORNICTWA
发明人
KOWALCZYK EDWARD;LOJAS JOZEF;PEREK JAN;SAWKA BOHDAN;LABONSKI STANISLAW;MALEWSKI ZBIGNIEW;KIRSZ WILHELM;MIZERA STANISLAW;OGRODNIK RYSZARD
分类号
E21D;E21D11/28;(IPC1-7):E21D/
主分类号
E21D
代理机构
代理人
主权项
地址
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