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发明名称
Building structure
摘要
申请公布号
US2371049(A)
申请公布日期
1945.03.06
申请号
US19410405681
申请日期
1941.08.06
申请人
ARMSTRONG CORK COMPANY
发明人
JR. JAMES E. HAZELTINE,
分类号
D21J1/16
主分类号
D21J1/16
代理机构
代理人
主权项
地址
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