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经营范围
发明名称
Block mold
摘要
申请公布号
US2268044(A)
申请公布日期
1941.12.30
申请号
US19390277154
申请日期
1939.06.03
申请人
BENJAMIN LIEBOWITZ
发明人
LIEBOWITZ BENJAMIN
分类号
B28B23/02;E04B2/30
主分类号
B28B23/02
代理机构
代理人
主权项
地址
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