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发明名称
MANUFACTURE OF SQUARE METALLIC BLANK PIPE
摘要
申请公布号
JPS5750213(A)
申请公布日期
1982.03.24
申请号
JP19800124063
申请日期
1980.09.09
申请人
NITSUTETSU KENZAI KK
发明人
AKAHORI AKIO;OGISO TSUTOMU
分类号
B21C37/15;B21C37/08;B21D5/12
主分类号
B21C37/15
代理机构
代理人
主权项
地址
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