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发明名称
Brick and stone drill
摘要
申请公布号
US2088197(A)
申请公布日期
1937.07.27
申请号
US19360104447
申请日期
1936.10.07
申请人
KRAEUTER & COMPANY, INC.
发明人
GAIROARD CAMILLE L.
分类号
B28D1/14
主分类号
B28D1/14
代理机构
代理人
主权项
地址
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