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发明名称
ELEMENT DE CONSTRUCTION
摘要
申请公布号
BE780838(A1)
申请公布日期
1972.09.18
申请号
BE19720780838
申请日期
1972.03.17
申请人
NATIONAL PATENT DEVELOPMENT CORP., 375 PARK AVENUE, NEW YORK, N.Y., (E.U.A.),
发明人
C.F. DELONG;T.H. SHEPHERD;C.F.DELONG;T.H. SHEPHERD.
分类号
C09D133/14;E01C7/35;E04B1/66;E04C1/40;(IPC1-7):04C/
主分类号
C09D133/14
代理机构
代理人
主权项
地址
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