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经营范围
发明名称
FREQUENCY SIGNAL TRANSMITTER
摘要
申请公布号
JPH02220198(A)
申请公布日期
1990.09.03
申请号
JP19890042841
申请日期
1989.02.22
申请人
HITACHI CONSTR MACH CO LTD
发明人
EGASHIRA MASAKI;HAGA MASAKAZU;HIRATA TOICHI
分类号
G01P3/48;G08C19/22
主分类号
G01P3/48
代理机构
代理人
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地址
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