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发明名称
Trestle for aerial ropeways
摘要
申请公布号
US2228391(A)
申请公布日期
1941.01.14
申请号
US19380213944
申请日期
1938.06.15
申请人
FRANZ HUNZIKER
发明人
HUNZIKER FRANZ
分类号
E01B25/18
主分类号
E01B25/18
代理机构
代理人
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地址
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