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经营范围
发明名称
Saw forming device
摘要
申请公布号
US1811236(A)
申请公布日期
1931.06.23
申请号
US19280269141
申请日期
1928.04.11
申请人
ROSWELL B. SMITH
发明人
KNAPP CHARLES C.
分类号
B23D63/00;B23D65/02
主分类号
B23D63/00
代理机构
代理人
主权项
地址
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