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发明名称
CONTOURING TRACER
摘要
申请公布号
CA307718(A)
申请公布日期
1931.01.13
申请号
CAD307718
申请日期
申请人
THE KELLER MECHANICAL ENGINEERING CORPORATION
发明人
ROBERT D. SHAW;JOHN C. SHAW
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主分类号
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