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发明名称
Brick
摘要
申请公布号
US1855987(A)
申请公布日期
1932.04.26
申请号
US19310516115
申请日期
1931.02.16
申请人
RAMMER EDWARD F
发明人
RAMMER EDWARD F.
分类号
E04B2/04
主分类号
E04B2/04
代理机构
代理人
主权项
地址
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