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发明名称
METHOD FOR MANUFACTURING STAIRWAYS
摘要
申请公布号
PL161358(B1)
申请公布日期
1993.06.30
申请号
PL19900283233
申请日期
1990.01.08
申请人
发明人
分类号
B28B1/08;B28B5/08;B28B7/22;(IPC1-7):B28B7/22
主分类号
B28B1/08
代理机构
代理人
主权项
地址
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