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经营范围
发明名称
TWOOWIRE TYPE TRANSMITTER
摘要
申请公布号
JPS55121510(A)
申请公布日期
1980.09.18
申请号
JP19790028709
申请日期
1979.03.14
申请人
HITACHI LTD
发明人
OKAYAMA TSUTOMU;KATOUGI KATSUYA
分类号
H04B3/50;G05F1/56;G05F3/26;H04B3/44
主分类号
H04B3/50
代理机构
代理人
主权项
地址
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