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发明名称
(B1) ;METHOD OF CUTTING OFF WORKPIECES OF HOLLOW FULLY OR PARTIALLY CLOSED CROSS-SECTION MADE OF METAL STRAP ON COMPOSITE MULTI-STROKE STAMPING DIESAKRYTOGO SECHENIJA, GNUTYKH IZ LENTY NA SLOZHNYKH POSLEDOVATEL''NYKH SHTAMPAKH
摘要
申请公布号
PL211118(A1)
申请公布日期
1980.07.14
申请号
PL19780211118
申请日期
1978.11.20
申请人
INST OBROBKI PLASTYCZNEJ
发明人
SMOLINSKI JERZY
分类号
B21D;B21D43/28;(IPC1-7):B21D/
主分类号
B21D
代理机构
代理人
主权项
地址
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