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发明名称
CEMENT BRICK AND BLOCK MACHINE
摘要
申请公布号
CA303304(A)
申请公布日期
1930.08.26
申请号
CAD303304
申请日期
申请人
AUDLEY R. CANFIELD
发明人
AUDLEY R. CANFIELD
分类号
主分类号
代理机构
代理人
主权项
地址
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