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发明名称
PULLING DEVICE PREFERABLY FOR DRAWING STAND
摘要
申请公布号
SU755183(A3)
申请公布日期
1980.08.07
申请号
SU19772437053
申请日期
1977.01.10
申请人
KIESERLING & ALBRECHT
发明人
KHORST LORENTS,DT
分类号
B21C1/28;B21C1/30;B23Q3/06;F16H25/12;(IPC1-7):B21C1/18
主分类号
B21C1/28
代理机构
代理人
主权项
地址
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