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经营范围
发明名称
Metal stud and joist
摘要
申请公布号
US2140313(A)
申请公布日期
1938.12.13
申请号
US19370171456
申请日期
1937.10.28
申请人
DELLENBARGER
发明人
DELLENBARGER CHARLES E.;MANNIST MILTON
分类号
E04C3/04;E04C3/08;E04C3/32
主分类号
E04C3/04
代理机构
代理人
主权项
地址
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