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发明名称
Building block
摘要
申请公布号
US2099149(A)
申请公布日期
1937.11.16
申请号
US19370125094
申请日期
1937.02.10
申请人
TURNQUIST ALEXANDER N
发明人
TURNQUIST ALEXANDER N.
分类号
E04B2/02;E04B2/12
主分类号
E04B2/02
代理机构
代理人
主权项
地址
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