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发明名称
Wire recorder indicator
摘要
申请公布号
US2460190(A)
申请公布日期
1949.01.25
申请号
US19460656141
申请日期
1946.03.21
申请人
CHARLES P. PEIRCE
发明人
PETROFF MERLIN O.;STRAUB WILLIAM F.
分类号
G01B5/04;G11B25/08
主分类号
G01B5/04
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代理人
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