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经营范围
发明名称
Elevating mechanisms
摘要
申请公布号
US3213574(A)
申请公布日期
1965.10.26
申请号
US19610158197
申请日期
1961.12.11
申请人
MELBYE
发明人
MELBYE DAVID H.;TURNEY ROBERT K.
分类号
E04H12/18
主分类号
E04H12/18
代理机构
代理人
主权项
地址
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