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发明名称
MULTISTAGE BACK PRESSURE DRAWING METHOD
摘要
申请公布号
JPS5540015(A)
申请公布日期
1980.03.21
申请号
JP19780111124
申请日期
1978.09.08
申请人
SHOWA ELECTRIC WIRE & CABLE CO
发明人
KASAHARA TOSHIO
分类号
B21C3/10;B21C1/00;B21C9/00
主分类号
B21C3/10
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