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发明名称
MODULAR FRAMEWORK COMPONENTS
摘要
申请公布号
US3600869(A)
申请公布日期
1971.08.24
申请号
USD3600869
申请日期
1969.03.10
申请人
LEON PETROFF
发明人
LEON PETROFF
分类号
E04B1/19;E04B7/00;E04C3/04;E04C3/08;E04D3/24;(IPC1-7):E04B5/14;E04C3/02
主分类号
E04B1/19
代理机构
代理人
主权项
地址
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