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经营范围
发明名称
Folding stages
摘要
申请公布号
US3091816(A)
申请公布日期
1963.06.04
申请号
US19600054415
申请日期
1960.09.07
申请人
WAYNE IRON WORKS
发明人
WETZEL CHARLES H.
分类号
E04H3/28
主分类号
E04H3/28
代理机构
代理人
主权项
地址
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