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发明名称
FIELD CALIBRATOR FOR COMBUSTIBLE GAS ANALYZER
摘要
申请公布号
CA580538(A)
申请公布日期
1959.07.28
申请号
CAD580538
申请日期
申请人
MINE SAFETY APPLIANCES COMPANY
发明人
ROBERT C. HOLLOBAUGH;JOHN P. STRANGE
分类号
主分类号
代理机构
代理人
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