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发明名称
METHOD OF DRAWING METAL PIPE
摘要
申请公布号
JPS5278665(A)
申请公布日期
1977.07.02
申请号
JP19750156182
申请日期
1975.12.25
申请人
SHIN NIPPON SEITETSU KK
发明人
HARADA KENICHIROU;YAMANE SHIYOUZOU
分类号
B21C1/22;B21C1/24
主分类号
B21C1/22
代理机构
代理人
主权项
地址
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