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发明名称
SPOSOB ZMNIEJSZENIA SZEROKOSCI FILARU GRANICZNEGO
摘要
申请公布号
PL199174(A1)
申请公布日期
1978.05.08
申请号
PL19770199174
申请日期
1977.06.25
申请人
GORNICZO HUTNICZY MIEDZI
发明人
CIESLIK ZDZISLAW;DRZEMICKI ROMUALD;WOJNOWSKI JOZEF
分类号
E21C;(IPC1-7):E21C/
主分类号
E21C
代理机构
代理人
主权项
地址
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