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经营范围
发明名称
Metallic frame structure
摘要
申请公布号
US1991397(A)
申请公布日期
1935.02.19
申请号
US19320649695
申请日期
1932.12.31
申请人
HENRY L. SCHROEDER
发明人
LAMPMAN HERMAN W.
分类号
A21B3/00;A47B47/02;A47B55/00
主分类号
A21B3/00
代理机构
代理人
主权项
地址
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