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经营范围
发明名称
COAL MINING MACHINE
摘要
申请公布号
JPS5620297(A)
申请公布日期
1981.02.25
申请号
JP19790079043
申请日期
1979.06.25
申请人
TAIHEIYOU ENGINEERING KK
发明人
TAKAHASHI TAKESHI;ITOU TSUNETOSHI
分类号
E21C35/24;E21C27/02;E21C35/08
主分类号
E21C35/24
代理机构
代理人
主权项
地址
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