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经营范围
发明名称
Scaffolding
摘要
申请公布号
US2665951(A)
申请公布日期
1954.01.12
申请号
US19490081925
申请日期
1949.03.17
申请人
BOBST JOSEPH S
发明人
BOBST JOSEPH S.
分类号
E04G1/14
主分类号
E04G1/14
代理机构
代理人
主权项
地址
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