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发明名称
PLUG HOLD OIL PRESSURE CIRCUIT OF PIPE EXTRUDER
摘要
申请公布号
JPS52142653(A)
申请公布日期
1977.11.28
申请号
JP19760059142
申请日期
1976.05.24
申请人
HITACHI LTD
发明人
CHIBA MINORU;HAYASHI MASAHIRO
分类号
B21B37/78;B21C25/04
主分类号
B21B37/78
代理机构
代理人
主权项
地址
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