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发明名称
GAS DETECTION
摘要
申请公布号
CA567798(A)
申请公布日期
1958.12.23
申请号
CAD567798
申请日期
申请人
MINE SAFETY APPLIANCES COMPANY
发明人
MOSES G. JACOBSON;FRANK J. DELUCA;ALEXANDER C. MCINNES
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主分类号
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