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发明名称
METHOD OF DETERMINING THE PIERCEABILITY OF SEAMLESS METAL TUBES
摘要
申请公布号
US3512403(A)
申请公布日期
1970.05.19
申请号
USD3512403
申请日期
1968.03.29
申请人
NIPPON KOKAN KK.
发明人
KENZO KATO
分类号
B21B19/04;G01M99/00;(IPC1-7):G01N19/08
主分类号
B21B19/04
代理机构
代理人
主权项
地址
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