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经营范围
发明名称
Lumber saw sharpener
摘要
申请公布号
US2117801(A)
申请公布日期
1938.05.17
申请号
US19360057995
申请日期
1936.01.07
申请人
RUDOLPH HEINO
发明人
HEINO RUDOLPH
分类号
B23D63/10
主分类号
B23D63/10
代理机构
代理人
主权项
地址
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