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发明名称
Adjustable strut for stagings
摘要
申请公布号
US1942088(A)
申请公布日期
1934.01.02
申请号
US19330687692
申请日期
1933.08.31
申请人
THE FIRM E. KREBS & CO.
发明人
DIETRICH JAKOB
分类号
E04G25/06
主分类号
E04G25/06
代理机构
代理人
主权项
地址
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