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发明名称
METHOD FOR COLD-EXTRUSION JOINING TUBES OF DIFFERENT DIAMETER ADVANTAGEOUSLY FOR PRODUCING LADDERS MADE OF METAL
摘要
申请公布号
HU205568(B)
申请公布日期
1992.05.28
申请号
HU19890006208
申请日期
1989.11.28
申请人
KARDAN SZALLITO SZOLGALTATO KISSZOEVETKEZET,HU
发明人
HERVAY,KAROLY,HU;GARAB,IMRE,HU;MAROTI,ZSOLT,HU;SZEKERES,JOZSEF,HU;RUTKAINE BERECZ,AGNES,HU
分类号
B21D39/04;(IPC1-7):B21D39/04
主分类号
B21D39/04
代理机构
代理人
主权项
地址
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