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发明名称
INTERFRAME STRETCHER BAR FOR A GALLERY LINING
摘要
申请公布号
PL255371(A2)
申请公布日期
1986.07.15
申请号
PL19850255371
申请日期
1985.09.12
申请人
GLOWNY INSTYTUT GORNICTWA
发明人
KONOPA WLODZIMIERZ;KONOPA WOJCIECH;PEREK JAN;RULKA KAZIMIERZ;SAWKA BOHDAN
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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