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经营范围
发明名称
Flying saw
摘要
申请公布号
US1946926(A)
申请公布日期
1934.02.13
申请号
US19310517852
申请日期
1931.02.24
申请人
FRETS-MOON TUBE COMPANY, INC.
发明人
BARTON JAMES M.
分类号
B23D45/18
主分类号
B23D45/18
代理机构
代理人
主权项
地址
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