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发明名称
Method of marking instruments and resultant article
摘要
申请公布号
US2811040(A)
申请公布日期
1957.10.29
申请号
US19520282638
申请日期
1952.04.16
申请人
BLACKMAN JOHN W;SMITH DUDLEY C
发明人
BLACKMAN JOHN W.;SMITH DUDLEY C.
分类号
G01K5/00
主分类号
G01K5/00
代理机构
代理人
主权项
地址
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