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经营范围
发明名称
Rope suspended ascending and descending supporting device
摘要
申请公布号
US2508187(A)
申请公布日期
1950.05.16
申请号
US19460696265
申请日期
1946.09.11
申请人
JOSEPH NIEMIEC
发明人
NIEMIEC JOSEPH
分类号
A62B1/00;B66D1/74
主分类号
A62B1/00
代理机构
代理人
主权项
地址
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