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发明名称
Sectional block clay tile
摘要
申请公布号
US1898380(A)
申请公布日期
1933.02.21
申请号
US19300456553
申请日期
1930.05.28
申请人
MEIER FREDERICK H
发明人
MEIER FREDERICK H.
分类号
E04B2/02;E04B2/22
主分类号
E04B2/02
代理机构
代理人
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