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发明名称
DOUBLE-MEMBER SIDING AND PROPER WALLS OF GYPSUM
摘要
申请公布号
PL247462(A1)
申请公布日期
1984.09.10
申请号
PL19840247462
申请日期
1984.04.30
申请人
LASON BOLESLAW
发明人
LASON BOLESLAW
分类号
E04B;E04C;(IPC1-7):E04B/;E04C/
主分类号
E04B
代理机构
代理人
主权项
地址
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