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发明名称
Interlocking mosaic
摘要
申请公布号
US2454307(A)
申请公布日期
1948.11.23
申请号
US19460708410
申请日期
1946.11.07
申请人
BURNELL COOLEY
发明人
COOLEY BURNELL
分类号
B44C3/12
主分类号
B44C3/12
代理机构
代理人
主权项
地址
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