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发明名称
Automatic polishing machine
摘要
申请公布号
US1833329(A)
申请公布日期
1931.11.24
申请号
US19300421148
申请日期
1930.01.16
申请人
THE C. I. PACKER TOOL & DIE COMPANY
发明人
PACKER CLIFFORD I.
分类号
B24B5/02
主分类号
B24B5/02
代理机构
代理人
主权项
地址
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