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经营范围
发明名称
Tunneling machine
摘要
申请公布号
US2083834(A)
申请公布日期
1937.06.15
申请号
US19340731710
申请日期
1934.06.21
申请人
LOUIS GALUPPO;JOSEPH PETTI;ANTHONY COCCIA
发明人
GALUPPO LOUIS;PETTI JOSEPH;COCCIA ANTHONY
分类号
E21D9/11
主分类号
E21D9/11
代理机构
代理人
主权项
地址
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