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发明名称
PERFORATED PIPE AND ITS MANUFACTURE
摘要
申请公布号
JPH10156430(A)
申请公布日期
1998.06.16
申请号
JP19960322009
申请日期
1996.12.02
申请人
SANSO ARC KOGYO KK;NISHIYAMA SEISAKUSHO:KK
发明人
SAKAMOTO SHOICHI;NAGASHIMA TAKEO;NISHIYAMA OSAMU;SAWADA MINORU
分类号
B21C37/15;B21C1/24;B21C3/16;(IPC1-7):B21C37/15
主分类号
B21C37/15
代理机构
代理人
主权项
地址
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