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发明名称
Scaffolding accessory
摘要
申请公布号
US2883241(A)
申请公布日期
1959.04.21
申请号
US19560578715
申请日期
1956.04.17
申请人
GEORGE ADOLFSON;HATFIELD JOHN A
发明人
ADOLFSON GEORGE;HATFIELD JOHN A.
分类号
E04G1/14;E04G5/00
主分类号
E04G1/14
代理机构
代理人
主权项
地址
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