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经营范围
发明名称
CENTER OF GRAVITY CHECKING DEVICE
摘要
申请公布号
CA536904(A)
申请公布日期
1957.02.05
申请号
CAD536904
申请日期
申请人
A. G. SPALDING AND BROS. OF CANADA
发明人
THOMAS O. BRANDON
分类号
主分类号
代理机构
代理人
主权项
地址
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