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发明名称
GAS DETECTION DEVICE
摘要
申请公布号
US5202570(A)
申请公布日期
1993.04.13
申请号
US19910673886
申请日期
1991.03.22
申请人
TOKYO GAS CO., LTD.
发明人
TANAKA, HIROAKI;MATSUURA, MASAYUKI;TAI, HIDEO;UEHARA, KIYOJI
分类号
G01N21/39;G02B3/00
主分类号
G01N21/39
代理机构
代理人
主权项
地址
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