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摘要
申请公布号
JPS4992441(U)
申请公布日期
1974.08.09
申请号
JP19720137949U
申请日期
1972.11.30
申请人
发明人
分类号
H01H50/42;H01H50/54;(IPC1-7):H01H50/54
主分类号
H01H50/42
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