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发明名称
Machines for cutting or splitting stones and similar masonry material
摘要
申请公布号
US2888916(A)
申请公布日期
1959.06.02
申请号
US19570632237
申请日期
1957.01.02
申请人
ENTZ GERHARD B
发明人
ENTZ GERHARD B.
分类号
B28D1/22
主分类号
B28D1/22
代理机构
代理人
主权项
地址
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