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发明名称
BUFFER TYPE GAS SHUTOFF DEVICE
摘要
申请公布号
JPS6465737(A)
申请公布日期
1989.03.13
申请号
JP19870221909
申请日期
1987.09.07
申请人
HITACHI LTD
发明人
TSUKUSHI MASANORI;HASHIMOTO TAKESHI;SEKI YASUHARU
分类号
H01H33/915;H01H33/70
主分类号
H01H33/915
代理机构
代理人
主权项
地址
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