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发明名称
Size controlling apparatus
摘要
申请公布号
US2521979(A)
申请公布日期
1950.09.12
申请号
US19460679128
申请日期
1946.06.25
申请人
GENERAL MOTORS CORPORATION
发明人
JAGEN THEODORE A.
分类号
B24B49/04
主分类号
B24B49/04
代理机构
代理人
主权项
地址
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