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发明名称
METHOD OF PRODUCING SPIRAL-WELDED TUBES
摘要
申请公布号
SU1310061(A1)
申请公布日期
1987.05.15
申请号
SU19853984132
申请日期
1985.12.06
申请人
VNI PK I METALL MASHINOSTROENIYA
发明人
VEGELE VLADIMIR K,SU;ZIGANGIROV ALBERT G,SU;VERDEREVSKIJ VADIM A,SU;SHPIGELMAN RUDOLF M,SU;BULYGIN ANATOLIJ D,SU
分类号
B21C37/12
主分类号
B21C37/12
代理机构
代理人
主权项
地址
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