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发明名称
PREFABRICATED STAIRS
摘要
申请公布号
CS8709939(A1)
申请公布日期
1988.10.14
申请号
CS19870009939
申请日期
1987.12.27
申请人
GROCH MARIAN ING.,CS
发明人
GROCH MARIAN ING.,CS
分类号
E04F11/00;(IPC1-7):E04F11/00
主分类号
E04F11/00
代理机构
代理人
主权项
地址
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