punching apparatus for forming holes in square pipe and square pipe maden by the same,申请号KR20040104100-传众专利搜索

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发明名称	punching apparatus for forming holes in square pipe and square pipe maden by the same
摘要
申请公布号	KR100645777(B1)	申请公布日期	2006.11.15
申请号	KR20040104100	申请日期	2004.12.10
申请人		发明人
分类号	B26F1/02	主分类号	B26F1/02
代理机构		代理人
主权项
地址

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