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经营范围
发明名称
SWITCH IN THREE BRANCH TURNOUT
摘要
申请公布号
JPS5493503(A)
申请公布日期
1979.07.24
申请号
JP19770159801
申请日期
1977.12.31
申请人
SANKOSHA CO LTD
发明人
MIYAGAWA NANAO
分类号
B61L5/10;B61L17/00;E01B7/00;E01B7/02
主分类号
B61L5/10
代理机构
代理人
主权项
地址
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