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经营范围
发明名称
Scaffold
摘要
申请公布号
US2632676(A)
申请公布日期
1953.03.24
申请号
US19510207361
申请日期
1951.01.23
申请人
EVERETT SR RUFUS B
发明人
SR. RUFUS B. EVERETT,
分类号
E04G1/20
主分类号
E04G1/20
代理机构
代理人
主权项
地址
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